Home / 1,552.86-2,141.30-1,175.64

Finding the Fourth Proportional to 1,552.86, 2,141.30 and 1,175.64

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Solution

The fourth proportional to 1,552.86, 2,141.30 and 1,175.64 is: 1,621.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.86 : 2,141.30 = 1,175.64 : x
  2. Step 2: Convert to fraction form
    1,552.86/2,141.30 = 1,175.64/x
  3. Step 3: Cross multiply
    1,552.86x = 2,141.30 × 1,175.64
  4. Step 4: Simplify right side
    1,552.86x = 2,517,397.93
  5. Step 5: Solve for x
    x = 2,517,397.93/1,552.86
  6. Step 6: Final answer
    x = 1,621.14

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1.5x scale

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.