Home / 1,534.18-2,299.68-874.65

Finding the Fourth Proportional to 1,534.18, 2,299.68 and 874.65

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Solution

The fourth proportional to 1,534.18, 2,299.68 and 874.65 is: 1,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.18 : 2,299.68 = 874.65 : x
  2. Step 2: Convert to fraction form
    1,534.18/2,299.68 = 874.65/x
  3. Step 3: Cross multiply
    1,534.18x = 2,299.68 × 874.65
  4. Step 4: Simplify right side
    1,534.18x = 2,011,415.11
  5. Step 5: Solve for x
    x = 2,011,415.11/1,534.18
  6. Step 6: Final answer
    x = 1,311.07

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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.