Home / 2,851.60-4,277.40-2,632.90

Finding the Fourth Proportional to 2,851.60, 4,277.40 and 2,632.90

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Solution

The fourth proportional to 2,851.60, 4,277.40 and 2,632.90 is: 3,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.60 : 4,277.40 = 2,632.90 : x
  2. Step 2: Convert to fraction form
    2,851.60/4,277.40 = 2,632.90/x
  3. Step 3: Cross multiply
    2,851.60x = 4,277.40 × 2,632.90
  4. Step 4: Simplify right side
    2,851.60x = 11,261,966.46
  5. Step 5: Solve for x
    x = 11,261,966.46/2,851.60
  6. Step 6: Final answer
    x = 3,949.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.