Home / 3,048.75-4,575.42-1,587.78

Finding the Fourth Proportional to 3,048.75, 4,575.42 and 1,587.78

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Solution

The fourth proportional to 3,048.75, 4,575.42 and 1,587.78 is: 2,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.75 : 4,575.42 = 1,587.78 : x
  2. Step 2: Convert to fraction form
    3,048.75/4,575.42 = 1,587.78/x
  3. Step 3: Cross multiply
    3,048.75x = 4,575.42 × 1,587.78
  4. Step 4: Simplify right side
    3,048.75x = 7,264,760.37
  5. Step 5: Solve for x
    x = 7,264,760.37/3,048.75
  6. Step 6: Final answer
    x = 2,382.87

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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.