Home / 3,014.06-4,159.28-1,687.88

Finding the Fourth Proportional to 3,014.06, 4,159.28 and 1,687.88

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Solution

The fourth proportional to 3,014.06, 4,159.28 and 1,687.88 is: 2,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.06 : 4,159.28 = 1,687.88 : x
  2. Step 2: Convert to fraction form
    3,014.06/4,159.28 = 1,687.88/x
  3. Step 3: Cross multiply
    3,014.06x = 4,159.28 × 1,687.88
  4. Step 4: Simplify right side
    3,014.06x = 7,020,380.14
  5. Step 5: Solve for x
    x = 7,020,380.14/3,014.06
  6. Step 6: Final answer
    x = 2,329.21

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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.