Home / 1,114.30-1,670.61-537.02

Finding the Fourth Proportional to 1,114.30, 1,670.61 and 537.02

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Solution

The fourth proportional to 1,114.30, 1,670.61 and 537.02 is: 805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.30 : 1,670.61 = 537.02 : x
  2. Step 2: Convert to fraction form
    1,114.30/1,670.61 = 537.02/x
  3. Step 3: Cross multiply
    1,114.30x = 1,670.61 × 537.02
  4. Step 4: Simplify right side
    1,114.30x = 897,150.98
  5. Step 5: Solve for x
    x = 897,150.98/1,114.30
  6. Step 6: Final answer
    x = 805.13

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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.