Home / 2,472.84-3,412.56-1,687.14

Finding the Fourth Proportional to 2,472.84, 3,412.56 and 1,687.14

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Solution

The fourth proportional to 2,472.84, 3,412.56 and 1,687.14 is: 2,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.84 : 3,412.56 = 1,687.14 : x
  2. Step 2: Convert to fraction form
    2,472.84/3,412.56 = 1,687.14/x
  3. Step 3: Cross multiply
    2,472.84x = 3,412.56 × 1,687.14
  4. Step 4: Simplify right side
    2,472.84x = 5,757,466.48
  5. Step 5: Solve for x
    x = 5,757,466.48/2,472.84
  6. Step 6: Final answer
    x = 2,328.28

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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.