Home / 3,397.95-4,687.65-2,071.58

Finding the Fourth Proportional to 3,397.95, 4,687.65 and 2,071.58

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Solution

The fourth proportional to 3,397.95, 4,687.65 and 2,071.58 is: 2,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.95 : 4,687.65 = 2,071.58 : x
  2. Step 2: Convert to fraction form
    3,397.95/4,687.65 = 2,071.58/x
  3. Step 3: Cross multiply
    3,397.95x = 4,687.65 × 2,071.58
  4. Step 4: Simplify right side
    3,397.95x = 9,710,818.55
  5. Step 5: Solve for x
    x = 9,710,818.55/3,397.95
  6. Step 6: Final answer
    x = 2,857.85

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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.