Home / 3,251.10-4,877.10-1,276.35

Finding the Fourth Proportional to 3,251.10, 4,877.10 and 1,276.35

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Solution

The fourth proportional to 3,251.10, 4,877.10 and 1,276.35 is: 1,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.10 : 4,877.10 = 1,276.35 : x
  2. Step 2: Convert to fraction form
    3,251.10/4,877.10 = 1,276.35/x
  3. Step 3: Cross multiply
    3,251.10x = 4,877.10 × 1,276.35
  4. Step 4: Simplify right side
    3,251.10x = 6,224,886.59
  5. Step 5: Solve for x
    x = 6,224,886.59/3,251.10
  6. Step 6: Final answer
    x = 1,914.70

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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.