Home / 3,531.50-4,873.66-2,134.70

Finding the Fourth Proportional to 3,531.50, 4,873.66 and 2,134.70

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Solution

The fourth proportional to 3,531.50, 4,873.66 and 2,134.70 is: 2,946.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.50 : 4,873.66 = 2,134.70 : x
  2. Step 2: Convert to fraction form
    3,531.50/4,873.66 = 2,134.70/x
  3. Step 3: Cross multiply
    3,531.50x = 4,873.66 × 2,134.70
  4. Step 4: Simplify right side
    3,531.50x = 10,403,782.97
  5. Step 5: Solve for x
    x = 10,403,782.97/3,531.50
  6. Step 6: Final answer
    x = 2,946.00

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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.