Home / 3,084.17-4,254.95-1,964.90

Finding the Fourth Proportional to 3,084.17, 4,254.95 and 1,964.90

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Solution

The fourth proportional to 3,084.17, 4,254.95 and 1,964.90 is: 2,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.17 : 4,254.95 = 1,964.90 : x
  2. Step 2: Convert to fraction form
    3,084.17/4,254.95 = 1,964.90/x
  3. Step 3: Cross multiply
    3,084.17x = 4,254.95 × 1,964.90
  4. Step 4: Simplify right side
    3,084.17x = 8,360,566.80
  5. Step 5: Solve for x
    x = 8,360,566.80/3,084.17
  6. Step 6: Final answer
    x = 2,710.80

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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.