Home / 3,117.27-4,675.68-1,657.23

Finding the Fourth Proportional to 3,117.27, 4,675.68 and 1,657.23

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Solution

The fourth proportional to 3,117.27, 4,675.68 and 1,657.23 is: 2,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.27 : 4,675.68 = 1,657.23 : x
  2. Step 2: Convert to fraction form
    3,117.27/4,675.68 = 1,657.23/x
  3. Step 3: Cross multiply
    3,117.27x = 4,675.68 × 1,657.23
  4. Step 4: Simplify right side
    3,117.27x = 7,748,677.17
  5. Step 5: Solve for x
    x = 7,748,677.17/3,117.27
  6. Step 6: Final answer
    x = 2,485.73

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1.5x scale

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.