Home / 3,292.40-4,543.86-1,966.84

Finding the Fourth Proportional to 3,292.40, 4,543.86 and 1,966.84

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Solution

The fourth proportional to 3,292.40, 4,543.86 and 1,966.84 is: 2,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.40 : 4,543.86 = 1,966.84 : x
  2. Step 2: Convert to fraction form
    3,292.40/4,543.86 = 1,966.84/x
  3. Step 3: Cross multiply
    3,292.40x = 4,543.86 × 1,966.84
  4. Step 4: Simplify right side
    3,292.40x = 8,937,045.60
  5. Step 5: Solve for x
    x = 8,937,045.60/3,292.40
  6. Step 6: Final answer
    x = 2,714.45

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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.