Home / 1,557.08-2,340.31-1,442.53

Finding the Fourth Proportional to 1,557.08, 2,340.31 and 1,442.53

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Solution

The fourth proportional to 1,557.08, 2,340.31 and 1,442.53 is: 2,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.08 : 2,340.31 = 1,442.53 : x
  2. Step 2: Convert to fraction form
    1,557.08/2,340.31 = 1,442.53/x
  3. Step 3: Cross multiply
    1,557.08x = 2,340.31 × 1,442.53
  4. Step 4: Simplify right side
    1,557.08x = 3,375,967.38
  5. Step 5: Solve for x
    x = 3,375,967.38/1,557.08
  6. Step 6: Final answer
    x = 2,168.14

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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.