Home / 3,849.34-5,312.10-2,080.95

Finding the Fourth Proportional to 3,849.34, 5,312.10 and 2,080.95

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Solution

The fourth proportional to 3,849.34, 5,312.10 and 2,080.95 is: 2,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.34 : 5,312.10 = 2,080.95 : x
  2. Step 2: Convert to fraction form
    3,849.34/5,312.10 = 2,080.95/x
  3. Step 3: Cross multiply
    3,849.34x = 5,312.10 × 2,080.95
  4. Step 4: Simplify right side
    3,849.34x = 11,054,214.50
  5. Step 5: Solve for x
    x = 11,054,214.50/3,849.34
  6. Step 6: Final answer
    x = 2,871.72

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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.