Home / 2,641.45-3,648.19-1,800.71

Finding the Fourth Proportional to 2,641.45, 3,648.19 and 1,800.71

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Solution

The fourth proportional to 2,641.45, 3,648.19 and 1,800.71 is: 2,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.45 : 3,648.19 = 1,800.71 : x
  2. Step 2: Convert to fraction form
    2,641.45/3,648.19 = 1,800.71/x
  3. Step 3: Cross multiply
    2,641.45x = 3,648.19 × 1,800.71
  4. Step 4: Simplify right side
    2,641.45x = 6,569,332.21
  5. Step 5: Solve for x
    x = 6,569,332.21/2,641.45
  6. Step 6: Final answer
    x = 2,487.02

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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.