Home / 3,363.46-4,641.78-1,871.44

Finding the Fourth Proportional to 3,363.46, 4,641.78 and 1,871.44

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Solution

The fourth proportional to 3,363.46, 4,641.78 and 1,871.44 is: 2,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.46 : 4,641.78 = 1,871.44 : x
  2. Step 2: Convert to fraction form
    3,363.46/4,641.78 = 1,871.44/x
  3. Step 3: Cross multiply
    3,363.46x = 4,641.78 × 1,871.44
  4. Step 4: Simplify right side
    3,363.46x = 8,686,812.76
  5. Step 5: Solve for x
    x = 8,686,812.76/3,363.46
  6. Step 6: Final answer
    x = 2,582.70

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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.