Home / 3,487.93-5,231.59-1,022.90

Finding the Fourth Proportional to 3,487.93, 5,231.59 and 1,022.90

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Solution

The fourth proportional to 3,487.93, 5,231.59 and 1,022.90 is: 1,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.93 : 5,231.59 = 1,022.90 : x
  2. Step 2: Convert to fraction form
    3,487.93/5,231.59 = 1,022.90/x
  3. Step 3: Cross multiply
    3,487.93x = 5,231.59 × 1,022.90
  4. Step 4: Simplify right side
    3,487.93x = 5,351,364.70
  5. Step 5: Solve for x
    x = 5,351,364.70/3,487.93
  6. Step 6: Final answer
    x = 1,534.25

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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.