Home / 1,823.25-2,515.98-1,077.18

Finding the Fourth Proportional to 1,823.25, 2,515.98 and 1,077.18

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Solution

The fourth proportional to 1,823.25, 2,515.98 and 1,077.18 is: 1,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.25 : 2,515.98 = 1,077.18 : x
  2. Step 2: Convert to fraction form
    1,823.25/2,515.98 = 1,077.18/x
  3. Step 3: Cross multiply
    1,823.25x = 2,515.98 × 1,077.18
  4. Step 4: Simplify right side
    1,823.25x = 2,710,163.34
  5. Step 5: Solve for x
    x = 2,710,163.34/1,823.25
  6. Step 6: Final answer
    x = 1,486.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.