Home / 3,378.42-5,066.01-1,298.88

Finding the Fourth Proportional to 3,378.42, 5,066.01 and 1,298.88

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Solution

The fourth proportional to 3,378.42, 5,066.01 and 1,298.88 is: 1,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.42 : 5,066.01 = 1,298.88 : x
  2. Step 2: Convert to fraction form
    3,378.42/5,066.01 = 1,298.88/x
  3. Step 3: Cross multiply
    3,378.42x = 5,066.01 × 1,298.88
  4. Step 4: Simplify right side
    3,378.42x = 6,580,139.07
  5. Step 5: Solve for x
    x = 6,580,139.07/3,378.42
  6. Step 6: Final answer
    x = 1,947.70

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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.