Home / 1,569.14-2,356.17-1,247.20

Finding the Fourth Proportional to 1,569.14, 2,356.17 and 1,247.20

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Solution

The fourth proportional to 1,569.14, 2,356.17 and 1,247.20 is: 1,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.14 : 2,356.17 = 1,247.20 : x
  2. Step 2: Convert to fraction form
    1,569.14/2,356.17 = 1,247.20/x
  3. Step 3: Cross multiply
    1,569.14x = 2,356.17 × 1,247.20
  4. Step 4: Simplify right side
    1,569.14x = 2,938,615.22
  5. Step 5: Solve for x
    x = 2,938,615.22/1,569.14
  6. Step 6: Final answer
    x = 1,872.76

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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.