Home / 3,068.28-4,232.64-1,948.86

Finding the Fourth Proportional to 3,068.28, 4,232.64 and 1,948.86

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Solution

The fourth proportional to 3,068.28, 4,232.64 and 1,948.86 is: 2,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.28 : 4,232.64 = 1,948.86 : x
  2. Step 2: Convert to fraction form
    3,068.28/4,232.64 = 1,948.86/x
  3. Step 3: Cross multiply
    3,068.28x = 4,232.64 × 1,948.86
  4. Step 4: Simplify right side
    3,068.28x = 8,248,822.79
  5. Step 5: Solve for x
    x = 8,248,822.79/3,068.28
  6. Step 6: Final answer
    x = 2,688.42

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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.