Home / 3,135.48-4,330.02-2,394.60

Finding the Fourth Proportional to 3,135.48, 4,330.02 and 2,394.60

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Solution

The fourth proportional to 3,135.48, 4,330.02 and 2,394.60 is: 3,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.48 : 4,330.02 = 2,394.60 : x
  2. Step 2: Convert to fraction form
    3,135.48/4,330.02 = 2,394.60/x
  3. Step 3: Cross multiply
    3,135.48x = 4,330.02 × 2,394.60
  4. Step 4: Simplify right side
    3,135.48x = 10,368,665.89
  5. Step 5: Solve for x
    x = 10,368,665.89/3,135.48
  6. Step 6: Final answer
    x = 3,306.88

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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.