Home / 3,308.31-4,962.15-1,117.05

Finding the Fourth Proportional to 3,308.31, 4,962.15 and 1,117.05

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Solution

The fourth proportional to 3,308.31, 4,962.15 and 1,117.05 is: 1,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.31 : 4,962.15 = 1,117.05 : x
  2. Step 2: Convert to fraction form
    3,308.31/4,962.15 = 1,117.05/x
  3. Step 3: Cross multiply
    3,308.31x = 4,962.15 × 1,117.05
  4. Step 4: Simplify right side
    3,308.31x = 5,542,982.06
  5. Step 5: Solve for x
    x = 5,542,982.06/3,308.31
  6. Step 6: Final answer
    x = 1,675.47

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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.