Home / 2,278.74-3,418.18-1,503.71

Finding the Fourth Proportional to 2,278.74, 3,418.18 and 1,503.71

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Solution

The fourth proportional to 2,278.74, 3,418.18 and 1,503.71 is: 2,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.74 : 3,418.18 = 1,503.71 : x
  2. Step 2: Convert to fraction form
    2,278.74/3,418.18 = 1,503.71/x
  3. Step 3: Cross multiply
    2,278.74x = 3,418.18 × 1,503.71
  4. Step 4: Simplify right side
    2,278.74x = 5,139,934.36
  5. Step 5: Solve for x
    x = 5,139,934.36/2,278.74
  6. Step 6: Final answer
    x = 2,255.60

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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.