Home / 2,972.41-4,458.71-1,411.61

Finding the Fourth Proportional to 2,972.41, 4,458.71 and 1,411.61

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Solution

The fourth proportional to 2,972.41, 4,458.71 and 1,411.61 is: 2,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.41 : 4,458.71 = 1,411.61 : x
  2. Step 2: Convert to fraction form
    2,972.41/4,458.71 = 1,411.61/x
  3. Step 3: Cross multiply
    2,972.41x = 4,458.71 × 1,411.61
  4. Step 4: Simplify right side
    2,972.41x = 6,293,940.86
  5. Step 5: Solve for x
    x = 6,293,940.86/2,972.41
  6. Step 6: Final answer
    x = 2,117.46

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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.