Home / 3,582.12-4,943.63-1,988.92

Finding the Fourth Proportional to 3,582.12, 4,943.63 and 1,988.92

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Solution

The fourth proportional to 3,582.12, 4,943.63 and 1,988.92 is: 2,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.12 : 4,943.63 = 1,988.92 : x
  2. Step 2: Convert to fraction form
    3,582.12/4,943.63 = 1,988.92/x
  3. Step 3: Cross multiply
    3,582.12x = 4,943.63 × 1,988.92
  4. Step 4: Simplify right side
    3,582.12x = 9,832,484.58
  5. Step 5: Solve for x
    x = 9,832,484.58/3,582.12
  6. Step 6: Final answer
    x = 2,744.88

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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.