Home / 2,841.77-3,921.18-1,582.80

Finding the Fourth Proportional to 2,841.77, 3,921.18 and 1,582.80

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Solution

The fourth proportional to 2,841.77, 3,921.18 and 1,582.80 is: 2,184.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.77 : 3,921.18 = 1,582.80 : x
  2. Step 2: Convert to fraction form
    2,841.77/3,921.18 = 1,582.80/x
  3. Step 3: Cross multiply
    2,841.77x = 3,921.18 × 1,582.80
  4. Step 4: Simplify right side
    2,841.77x = 6,206,443.70
  5. Step 5: Solve for x
    x = 6,206,443.70/2,841.77
  6. Step 6: Final answer
    x = 2,184.01

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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.