Home / 2,566.29-3,849.44-618.50

Finding the Fourth Proportional to 2,566.29, 3,849.44 and 618.50

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Solution

The fourth proportional to 2,566.29, 3,849.44 and 618.50 is: 927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.29 : 3,849.44 = 618.50 : x
  2. Step 2: Convert to fraction form
    2,566.29/3,849.44 = 618.50/x
  3. Step 3: Cross multiply
    2,566.29x = 3,849.44 × 618.50
  4. Step 4: Simplify right side
    2,566.29x = 2,380,856.30
  5. Step 5: Solve for x
    x = 2,380,856.30/2,566.29
  6. Step 6: Final answer
    x = 927.74

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,567.29, 3,850.94 and 619.50
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.