Home / 2,281.24-3,150.21-2,158.48

Finding the Fourth Proportional to 2,281.24, 3,150.21 and 2,158.48

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Solution

The fourth proportional to 2,281.24, 3,150.21 and 2,158.48 is: 2,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.24 : 3,150.21 = 2,158.48 : x
  2. Step 2: Convert to fraction form
    2,281.24/3,150.21 = 2,158.48/x
  3. Step 3: Cross multiply
    2,281.24x = 3,150.21 × 2,158.48
  4. Step 4: Simplify right side
    2,281.24x = 6,799,665.28
  5. Step 5: Solve for x
    x = 6,799,665.28/2,281.24
  6. Step 6: Final answer
    x = 2,980.69

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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.