Home / 3,310.77-4,569.51-2,191.76

Finding the Fourth Proportional to 3,310.77, 4,569.51 and 2,191.76

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Solution

The fourth proportional to 3,310.77, 4,569.51 and 2,191.76 is: 3,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.77 : 4,569.51 = 2,191.76 : x
  2. Step 2: Convert to fraction form
    3,310.77/4,569.51 = 2,191.76/x
  3. Step 3: Cross multiply
    3,310.77x = 4,569.51 × 2,191.76
  4. Step 4: Simplify right side
    3,310.77x = 10,015,271.74
  5. Step 5: Solve for x
    x = 10,015,271.74/3,310.77
  6. Step 6: Final answer
    x = 3,025.05

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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.