Home / 2,552.12-3,521.70-1,557.70

Finding the Fourth Proportional to 2,552.12, 3,521.70 and 1,557.70

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Solution

The fourth proportional to 2,552.12, 3,521.70 and 1,557.70 is: 2,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.12 : 3,521.70 = 1,557.70 : x
  2. Step 2: Convert to fraction form
    2,552.12/3,521.70 = 1,557.70/x
  3. Step 3: Cross multiply
    2,552.12x = 3,521.70 × 1,557.70
  4. Step 4: Simplify right side
    2,552.12x = 5,485,752.09
  5. Step 5: Solve for x
    x = 5,485,752.09/2,552.12
  6. Step 6: Final answer
    x = 2,149.49

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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.