Home / 1,529.04-2,291.67-871.47

Finding the Fourth Proportional to 1,529.04, 2,291.67 and 871.47

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Solution

The fourth proportional to 1,529.04, 2,291.67 and 871.47 is: 1,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.04 : 2,291.67 = 871.47 : x
  2. Step 2: Convert to fraction form
    1,529.04/2,291.67 = 871.47/x
  3. Step 3: Cross multiply
    1,529.04x = 2,291.67 × 871.47
  4. Step 4: Simplify right side
    1,529.04x = 1,997,121.65
  5. Step 5: Solve for x
    x = 1,997,121.65/1,529.04
  6. Step 6: Final answer
    x = 1,306.13

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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.