Home / 1,552.20-2,142.87-1,197.35

Finding the Fourth Proportional to 1,552.20, 2,142.87 and 1,197.35

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Solution

The fourth proportional to 1,552.20, 2,142.87 and 1,197.35 is: 1,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.20 : 2,142.87 = 1,197.35 : x
  2. Step 2: Convert to fraction form
    1,552.20/2,142.87 = 1,197.35/x
  3. Step 3: Cross multiply
    1,552.20x = 2,142.87 × 1,197.35
  4. Step 4: Simplify right side
    1,552.20x = 2,565,754.68
  5. Step 5: Solve for x
    x = 2,565,754.68/1,552.20
  6. Step 6: Final answer
    x = 1,652.98

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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.