Home / 3,425.48-4,746.70-3,217.40

Finding the Fourth Proportional to 3,425.48, 4,746.70 and 3,217.40

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Solution

The fourth proportional to 3,425.48, 4,746.70 and 3,217.40 is: 4,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.48 : 4,746.70 = 3,217.40 : x
  2. Step 2: Convert to fraction form
    3,425.48/4,746.70 = 3,217.40/x
  3. Step 3: Cross multiply
    3,425.48x = 4,746.70 × 3,217.40
  4. Step 4: Simplify right side
    3,425.48x = 15,272,032.58
  5. Step 5: Solve for x
    x = 15,272,032.58/3,425.48
  6. Step 6: Final answer
    x = 4,458.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.