Home / 1,085.18-1,497.57-613.10

Finding the Fourth Proportional to 1,085.18, 1,497.57 and 613.10

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Solution

The fourth proportional to 1,085.18, 1,497.57 and 613.10 is: 846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085.18 : 1,497.57 = 613.10 : x
  2. Step 2: Convert to fraction form
    1,085.18/1,497.57 = 613.10/x
  3. Step 3: Cross multiply
    1,085.18x = 1,497.57 × 613.10
  4. Step 4: Simplify right side
    1,085.18x = 918,160.17
  5. Step 5: Solve for x
    x = 918,160.17/1,085.18
  6. Step 6: Final answer
    x = 846.09

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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.