Home / 2,538.20-3,502.16-1,475.60

Finding the Fourth Proportional to 2,538.20, 3,502.16 and 1,475.60

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Solution

The fourth proportional to 2,538.20, 3,502.16 and 1,475.60 is: 2,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.20 : 3,502.16 = 1,475.60 : x
  2. Step 2: Convert to fraction form
    2,538.20/3,502.16 = 1,475.60/x
  3. Step 3: Cross multiply
    2,538.20x = 3,502.16 × 1,475.60
  4. Step 4: Simplify right side
    2,538.20x = 5,167,787.30
  5. Step 5: Solve for x
    x = 5,167,787.30/2,538.20
  6. Step 6: Final answer
    x = 2,036.00

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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.