Home / 1,563.91-2,347.01-1,154.15

Finding the Fourth Proportional to 1,563.91, 2,347.01 and 1,154.15

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Solution

The fourth proportional to 1,563.91, 2,347.01 and 1,154.15 is: 1,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.91 : 2,347.01 = 1,154.15 : x
  2. Step 2: Convert to fraction form
    1,563.91/2,347.01 = 1,154.15/x
  3. Step 3: Cross multiply
    1,563.91x = 2,347.01 × 1,154.15
  4. Step 4: Simplify right side
    1,563.91x = 2,708,801.59
  5. Step 5: Solve for x
    x = 2,708,801.59/1,563.91
  6. Step 6: Final answer
    x = 1,732.07

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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.