Home / 4,048.78-5,587.68-2,280.46

Finding the Fourth Proportional to 4,048.78, 5,587.68 and 2,280.46

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Solution

The fourth proportional to 4,048.78, 5,587.68 and 2,280.46 is: 3,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.78 : 5,587.68 = 2,280.46 : x
  2. Step 2: Convert to fraction form
    4,048.78/5,587.68 = 2,280.46/x
  3. Step 3: Cross multiply
    4,048.78x = 5,587.68 × 2,280.46
  4. Step 4: Simplify right side
    4,048.78x = 12,742,480.73
  5. Step 5: Solve for x
    x = 12,742,480.73/4,048.78
  6. Step 6: Final answer
    x = 3,147.24

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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.