Home / 3,117.95-4,302.83-1,701.66

Finding the Fourth Proportional to 3,117.95, 4,302.83 and 1,701.66

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Solution

The fourth proportional to 3,117.95, 4,302.83 and 1,701.66 is: 2,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.95 : 4,302.83 = 1,701.66 : x
  2. Step 2: Convert to fraction form
    3,117.95/4,302.83 = 1,701.66/x
  3. Step 3: Cross multiply
    3,117.95x = 4,302.83 × 1,701.66
  4. Step 4: Simplify right side
    3,117.95x = 7,321,953.70
  5. Step 5: Solve for x
    x = 7,321,953.70/3,117.95
  6. Step 6: Final answer
    x = 2,348.32

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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.