Home / 4,253.80-6,381.78-1,944.76

Finding the Fourth Proportional to 4,253.80, 6,381.78 and 1,944.76

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Solution

The fourth proportional to 4,253.80, 6,381.78 and 1,944.76 is: 2,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.80 : 6,381.78 = 1,944.76 : x
  2. Step 2: Convert to fraction form
    4,253.80/6,381.78 = 1,944.76/x
  3. Step 3: Cross multiply
    4,253.80x = 6,381.78 × 1,944.76
  4. Step 4: Simplify right side
    4,253.80x = 12,411,030.47
  5. Step 5: Solve for x
    x = 12,411,030.47/4,253.80
  6. Step 6: Final answer
    x = 2,917.63

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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.