Home / 2,695.20-4,043.10-1,871.43

Finding the Fourth Proportional to 2,695.20, 4,043.10 and 1,871.43

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Solution

The fourth proportional to 2,695.20, 4,043.10 and 1,871.43 is: 2,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.20 : 4,043.10 = 1,871.43 : x
  2. Step 2: Convert to fraction form
    2,695.20/4,043.10 = 1,871.43/x
  3. Step 3: Cross multiply
    2,695.20x = 4,043.10 × 1,871.43
  4. Step 4: Simplify right side
    2,695.20x = 7,566,378.63
  5. Step 5: Solve for x
    x = 7,566,378.63/2,695.20
  6. Step 6: Final answer
    x = 2,807.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.