Home / 3,276.71-4,909.59-1,425.05

Finding the Fourth Proportional to 3,276.71, 4,909.59 and 1,425.05

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Solution

The fourth proportional to 3,276.71, 4,909.59 and 1,425.05 is: 2,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.71 : 4,909.59 = 1,425.05 : x
  2. Step 2: Convert to fraction form
    3,276.71/4,909.59 = 1,425.05/x
  3. Step 3: Cross multiply
    3,276.71x = 4,909.59 × 1,425.05
  4. Step 4: Simplify right side
    3,276.71x = 6,996,411.23
  5. Step 5: Solve for x
    x = 6,996,411.23/3,276.71
  6. Step 6: Final answer
    x = 2,135.19

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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.