Home / 3,117.66-4,307.83-2,493.35

Finding the Fourth Proportional to 3,117.66, 4,307.83 and 2,493.35

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Solution

The fourth proportional to 3,117.66, 4,307.83 and 2,493.35 is: 3,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.66 : 4,307.83 = 2,493.35 : x
  2. Step 2: Convert to fraction form
    3,117.66/4,307.83 = 2,493.35/x
  3. Step 3: Cross multiply
    3,117.66x = 4,307.83 × 2,493.35
  4. Step 4: Simplify right side
    3,117.66x = 10,740,906.39
  5. Step 5: Solve for x
    x = 10,740,906.39/3,117.66
  6. Step 6: Final answer
    x = 3,445.18

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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.