Home / 1,040.04-1,560.27-346.76

Finding the Fourth Proportional to 1,040.04, 1,560.27 and 346.76

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Solution

The fourth proportional to 1,040.04, 1,560.27 and 346.76 is: 520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.04 : 1,560.27 = 346.76 : x
  2. Step 2: Convert to fraction form
    1,040.04/1,560.27 = 346.76/x
  3. Step 3: Cross multiply
    1,040.04x = 1,560.27 × 346.76
  4. Step 4: Simplify right side
    1,040.04x = 541,031.42
  5. Step 5: Solve for x
    x = 541,031.42/1,040.04
  6. Step 6: Final answer
    x = 520.21

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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.