Home / 1,537.14-2,123.02-1,119.35

Finding the Fourth Proportional to 1,537.14, 2,123.02 and 1,119.35

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Solution

The fourth proportional to 1,537.14, 2,123.02 and 1,119.35 is: 1,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.14 : 2,123.02 = 1,119.35 : x
  2. Step 2: Convert to fraction form
    1,537.14/2,123.02 = 1,119.35/x
  3. Step 3: Cross multiply
    1,537.14x = 2,123.02 × 1,119.35
  4. Step 4: Simplify right side
    1,537.14x = 2,376,409.14
  5. Step 5: Solve for x
    x = 2,376,409.14/1,537.14
  6. Step 6: Final answer
    x = 1,545.99

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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.