Home / 3,240.18-4,863.15-1,854.90

Finding the Fourth Proportional to 3,240.18, 4,863.15 and 1,854.90

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Solution

The fourth proportional to 3,240.18, 4,863.15 and 1,854.90 is: 2,784.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.18 : 4,863.15 = 1,854.90 : x
  2. Step 2: Convert to fraction form
    3,240.18/4,863.15 = 1,854.90/x
  3. Step 3: Cross multiply
    3,240.18x = 4,863.15 × 1,854.90
  4. Step 4: Simplify right side
    3,240.18x = 9,020,656.94
  5. Step 5: Solve for x
    x = 9,020,656.94/3,240.18
  6. Step 6: Final answer
    x = 2,784.00

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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.