Home / 1,080.34-1,497.69-1,024.85

Finding the Fourth Proportional to 1,080.34, 1,497.69 and 1,024.85

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Solution

The fourth proportional to 1,080.34, 1,497.69 and 1,024.85 is: 1,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080.34 : 1,497.69 = 1,024.85 : x
  2. Step 2: Convert to fraction form
    1,080.34/1,497.69 = 1,024.85/x
  3. Step 3: Cross multiply
    1,080.34x = 1,497.69 × 1,024.85
  4. Step 4: Simplify right side
    1,080.34x = 1,534,911.34
  5. Step 5: Solve for x
    x = 1,534,911.34/1,080.34
  6. Step 6: Final answer
    x = 1,420.77

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.