Home / 1,534.01-2,301.02-917.90

Finding the Fourth Proportional to 1,534.01, 2,301.02 and 917.90

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Solution

The fourth proportional to 1,534.01, 2,301.02 and 917.90 is: 1,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.01 : 2,301.02 = 917.90 : x
  2. Step 2: Convert to fraction form
    1,534.01/2,301.02 = 917.90/x
  3. Step 3: Cross multiply
    1,534.01x = 2,301.02 × 917.90
  4. Step 4: Simplify right side
    1,534.01x = 2,112,106.26
  5. Step 5: Solve for x
    x = 2,112,106.26/1,534.01
  6. Step 6: Final answer
    x = 1,376.85

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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.