Home / 1,743.03-2,613.95-702.76

Finding the Fourth Proportional to 1,743.03, 2,613.95 and 702.76

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Solution

The fourth proportional to 1,743.03, 2,613.95 and 702.76 is: 1,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.03 : 2,613.95 = 702.76 : x
  2. Step 2: Convert to fraction form
    1,743.03/2,613.95 = 702.76/x
  3. Step 3: Cross multiply
    1,743.03x = 2,613.95 × 702.76
  4. Step 4: Simplify right side
    1,743.03x = 1,836,979.50
  5. Step 5: Solve for x
    x = 1,836,979.50/1,743.03
  6. Step 6: Final answer
    x = 1,053.90

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1.5x scale

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.