Home / 3,117.85-4,302.60-1,701.56

Finding the Fourth Proportional to 3,117.85, 4,302.60 and 1,701.56

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Solution

The fourth proportional to 3,117.85, 4,302.60 and 1,701.56 is: 2,348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.85 : 4,302.60 = 1,701.56 : x
  2. Step 2: Convert to fraction form
    3,117.85/4,302.60 = 1,701.56/x
  3. Step 3: Cross multiply
    3,117.85x = 4,302.60 × 1,701.56
  4. Step 4: Simplify right side
    3,117.85x = 7,321,129.18
  5. Step 5: Solve for x
    x = 7,321,129.18/3,117.85
  6. Step 6: Final answer
    x = 2,348.13

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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.