Home / 2,371.55-3,557.60-985.06

Finding the Fourth Proportional to 2,371.55, 3,557.60 and 985.06

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Solution

The fourth proportional to 2,371.55, 3,557.60 and 985.06 is: 1,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.55 : 3,557.60 = 985.06 : x
  2. Step 2: Convert to fraction form
    2,371.55/3,557.60 = 985.06/x
  3. Step 3: Cross multiply
    2,371.55x = 3,557.60 × 985.06
  4. Step 4: Simplify right side
    2,371.55x = 3,504,449.46
  5. Step 5: Solve for x
    x = 3,504,449.46/2,371.55
  6. Step 6: Final answer
    x = 1,477.70

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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.