Home / 2,278.80-3,417.24-1,548.72

Finding the Fourth Proportional to 2,278.80, 3,417.24 and 1,548.72

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Solution

The fourth proportional to 2,278.80, 3,417.24 and 1,548.72 is: 2,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.80 : 3,417.24 = 1,548.72 : x
  2. Step 2: Convert to fraction form
    2,278.80/3,417.24 = 1,548.72/x
  3. Step 3: Cross multiply
    2,278.80x = 3,417.24 × 1,548.72
  4. Step 4: Simplify right side
    2,278.80x = 5,292,347.93
  5. Step 5: Solve for x
    x = 5,292,347.93/2,278.80
  6. Step 6: Final answer
    x = 2,322.43

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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.