Home / 3,153-4,343.28-2,948.88

Finding the Fourth Proportional to 3,153, 4,343.28 and 2,948.88

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Solution

The fourth proportional to 3,153, 4,343.28 and 2,948.88 is: 4,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153 : 4,343.28 = 2,948.88 : x
  2. Step 2: Convert to fraction form
    3,153/4,343.28 = 2,948.88/x
  3. Step 3: Cross multiply
    3,153x = 4,343.28 × 2,948.88
  4. Step 4: Simplify right side
    3,153x = 12,807,811.53
  5. Step 5: Solve for x
    x = 12,807,811.53/3,153
  6. Step 6: Final answer
    x = 4,062.10

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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.