Home / 2,877.10-4,311.55-1,641.90

Finding the Fourth Proportional to 2,877.10, 4,311.55 and 1,641.90

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Solution

The fourth proportional to 2,877.10, 4,311.55 and 1,641.90 is: 2,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.10 : 4,311.55 = 1,641.90 : x
  2. Step 2: Convert to fraction form
    2,877.10/4,311.55 = 1,641.90/x
  3. Step 3: Cross multiply
    2,877.10x = 4,311.55 × 1,641.90
  4. Step 4: Simplify right side
    2,877.10x = 7,079,133.95
  5. Step 5: Solve for x
    x = 7,079,133.95/2,877.10
  6. Step 6: Final answer
    x = 2,460.51

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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.