Home / 1,507.12-2,080.92-1,134.96

Finding the Fourth Proportional to 1,507.12, 2,080.92 and 1,134.96

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Solution

The fourth proportional to 1,507.12, 2,080.92 and 1,134.96 is: 1,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.12 : 2,080.92 = 1,134.96 : x
  2. Step 2: Convert to fraction form
    1,507.12/2,080.92 = 1,134.96/x
  3. Step 3: Cross multiply
    1,507.12x = 2,080.92 × 1,134.96
  4. Step 4: Simplify right side
    1,507.12x = 2,361,760.96
  5. Step 5: Solve for x
    x = 2,361,760.96/1,507.12
  6. Step 6: Final answer
    x = 1,567.07

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1.5x scale

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.