Home / 1,415.54-2,123.52-1,154.93

Finding the Fourth Proportional to 1,415.54, 2,123.52 and 1,154.93

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Solution

The fourth proportional to 1,415.54, 2,123.52 and 1,154.93 is: 1,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.54 : 2,123.52 = 1,154.93 : x
  2. Step 2: Convert to fraction form
    1,415.54/2,123.52 = 1,154.93/x
  3. Step 3: Cross multiply
    1,415.54x = 2,123.52 × 1,154.93
  4. Step 4: Simplify right side
    1,415.54x = 2,452,502.01
  5. Step 5: Solve for x
    x = 2,452,502.01/1,415.54
  6. Step 6: Final answer
    x = 1,732.55

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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.