Home / 2,881.80-4,314.49-2,652.16

Finding the Fourth Proportional to 2,881.80, 4,314.49 and 2,652.16

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Solution

The fourth proportional to 2,881.80, 4,314.49 and 2,652.16 is: 3,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.80 : 4,314.49 = 2,652.16 : x
  2. Step 2: Convert to fraction form
    2,881.80/4,314.49 = 2,652.16/x
  3. Step 3: Cross multiply
    2,881.80x = 4,314.49 × 2,652.16
  4. Step 4: Simplify right side
    2,881.80x = 11,442,717.80
  5. Step 5: Solve for x
    x = 11,442,717.80/2,881.80
  6. Step 6: Final answer
    x = 3,970.68

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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.