Home / 1,526.65-2,287.09-1,318.88

Finding the Fourth Proportional to 1,526.65, 2,287.09 and 1,318.88

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Solution

The fourth proportional to 1,526.65, 2,287.09 and 1,318.88 is: 1,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.65 : 2,287.09 = 1,318.88 : x
  2. Step 2: Convert to fraction form
    1,526.65/2,287.09 = 1,318.88/x
  3. Step 3: Cross multiply
    1,526.65x = 2,287.09 × 1,318.88
  4. Step 4: Simplify right side
    1,526.65x = 3,016,397.21
  5. Step 5: Solve for x
    x = 3,016,397.21/1,526.65
  6. Step 6: Final answer
    x = 1,975.83

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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.