Home / 2,385.27-3,578.66-1,070.13

Finding the Fourth Proportional to 2,385.27, 3,578.66 and 1,070.13

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Solution

The fourth proportional to 2,385.27, 3,578.66 and 1,070.13 is: 1,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.27 : 3,578.66 = 1,070.13 : x
  2. Step 2: Convert to fraction form
    2,385.27/3,578.66 = 1,070.13/x
  3. Step 3: Cross multiply
    2,385.27x = 3,578.66 × 1,070.13
  4. Step 4: Simplify right side
    2,385.27x = 3,829,626.08
  5. Step 5: Solve for x
    x = 3,829,626.08/2,385.27
  6. Step 6: Final answer
    x = 1,605.53

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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.