Home / 1,532.16-2,298.51-667.08

Finding the Fourth Proportional to 1,532.16, 2,298.51 and 667.08

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Solution

The fourth proportional to 1,532.16, 2,298.51 and 667.08 is: 1,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.16 : 2,298.51 = 667.08 : x
  2. Step 2: Convert to fraction form
    1,532.16/2,298.51 = 667.08/x
  3. Step 3: Cross multiply
    1,532.16x = 2,298.51 × 667.08
  4. Step 4: Simplify right side
    1,532.16x = 1,533,290.05
  5. Step 5: Solve for x
    x = 1,533,290.05/1,532.16
  6. Step 6: Final answer
    x = 1,000.74

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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.