Home / 3,026.04-4,178.70-2,278.71

Finding the Fourth Proportional to 3,026.04, 4,178.70 and 2,278.71

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Solution

The fourth proportional to 3,026.04, 4,178.70 and 2,278.71 is: 3,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.04 : 4,178.70 = 2,278.71 : x
  2. Step 2: Convert to fraction form
    3,026.04/4,178.70 = 2,278.71/x
  3. Step 3: Cross multiply
    3,026.04x = 4,178.70 × 2,278.71
  4. Step 4: Simplify right side
    3,026.04x = 9,522,045.48
  5. Step 5: Solve for x
    x = 9,522,045.48/3,026.04
  6. Step 6: Final answer
    x = 3,146.70

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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.