Home / 2,758.16-4,156.21-2,281.88

Finding the Fourth Proportional to 2,758.16, 4,156.21 and 2,281.88

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Solution

The fourth proportional to 2,758.16, 4,156.21 and 2,281.88 is: 3,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.16 : 4,156.21 = 2,281.88 : x
  2. Step 2: Convert to fraction form
    2,758.16/4,156.21 = 2,281.88/x
  3. Step 3: Cross multiply
    2,758.16x = 4,156.21 × 2,281.88
  4. Step 4: Simplify right side
    2,758.16x = 9,483,972.47
  5. Step 5: Solve for x
    x = 9,483,972.47/2,758.16
  6. Step 6: Final answer
    x = 3,438.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.