Home / 2,950.17-4,071.50-1,691.63

Finding the Fourth Proportional to 2,950.17, 4,071.50 and 1,691.63

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Solution

The fourth proportional to 2,950.17, 4,071.50 and 1,691.63 is: 2,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.17 : 4,071.50 = 1,691.63 : x
  2. Step 2: Convert to fraction form
    2,950.17/4,071.50 = 1,691.63/x
  3. Step 3: Cross multiply
    2,950.17x = 4,071.50 × 1,691.63
  4. Step 4: Simplify right side
    2,950.17x = 6,887,471.55
  5. Step 5: Solve for x
    x = 6,887,471.55/2,950.17
  6. Step 6: Final answer
    x = 2,334.60

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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.