Home / 1,848.23-2,771.41-615.21

Finding the Fourth Proportional to 1,848.23, 2,771.41 and 615.21

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Solution

The fourth proportional to 1,848.23, 2,771.41 and 615.21 is: 922.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.23 : 2,771.41 = 615.21 : x
  2. Step 2: Convert to fraction form
    1,848.23/2,771.41 = 615.21/x
  3. Step 3: Cross multiply
    1,848.23x = 2,771.41 × 615.21
  4. Step 4: Simplify right side
    1,848.23x = 1,704,999.15
  5. Step 5: Solve for x
    x = 1,704,999.15/1,848.23
  6. Step 6: Final answer
    x = 922.50

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Double scale
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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.