Home / 3,275.60-4,515.02-2,849.14

Finding the Fourth Proportional to 3,275.60, 4,515.02 and 2,849.14

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Solution

The fourth proportional to 3,275.60, 4,515.02 and 2,849.14 is: 3,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.60 : 4,515.02 = 2,849.14 : x
  2. Step 2: Convert to fraction form
    3,275.60/4,515.02 = 2,849.14/x
  3. Step 3: Cross multiply
    3,275.60x = 4,515.02 × 2,849.14
  4. Step 4: Simplify right side
    3,275.60x = 12,863,901.51
  5. Step 5: Solve for x
    x = 12,863,901.51/3,275.60
  6. Step 6: Final answer
    x = 3,927.19

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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.