Home / 3,440.19-5,160.15-1,100.10

Finding the Fourth Proportional to 3,440.19, 5,160.15 and 1,100.10

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Solution

The fourth proportional to 3,440.19, 5,160.15 and 1,100.10 is: 1,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.19 : 5,160.15 = 1,100.10 : x
  2. Step 2: Convert to fraction form
    3,440.19/5,160.15 = 1,100.10/x
  3. Step 3: Cross multiply
    3,440.19x = 5,160.15 × 1,100.10
  4. Step 4: Simplify right side
    3,440.19x = 5,676,681.02
  5. Step 5: Solve for x
    x = 5,676,681.02/3,440.19
  6. Step 6: Final answer
    x = 1,650.11

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Half scale
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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.