Home / 1,534.78-2,113.39-1,500.29

Finding the Fourth Proportional to 1,534.78, 2,113.39 and 1,500.29

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Solution

The fourth proportional to 1,534.78, 2,113.39 and 1,500.29 is: 2,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.78 : 2,113.39 = 1,500.29 : x
  2. Step 2: Convert to fraction form
    1,534.78/2,113.39 = 1,500.29/x
  3. Step 3: Cross multiply
    1,534.78x = 2,113.39 × 1,500.29
  4. Step 4: Simplify right side
    1,534.78x = 3,170,697.12
  5. Step 5: Solve for x
    x = 3,170,697.12/1,534.78
  6. Step 6: Final answer
    x = 2,065.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.