Home / 2,543.47-3,814.70-1,488.65

Finding the Fourth Proportional to 2,543.47, 3,814.70 and 1,488.65

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Solution

The fourth proportional to 2,543.47, 3,814.70 and 1,488.65 is: 2,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.47 : 3,814.70 = 1,488.65 : x
  2. Step 2: Convert to fraction form
    2,543.47/3,814.70 = 1,488.65/x
  3. Step 3: Cross multiply
    2,543.47x = 3,814.70 × 1,488.65
  4. Step 4: Simplify right side
    2,543.47x = 5,678,726.64
  5. Step 5: Solve for x
    x = 5,678,726.64/2,543.47
  6. Step 6: Final answer
    x = 2,232.67

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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.