Home / 3,721.95-5,135.27-2,397.33

Finding the Fourth Proportional to 3,721.95, 5,135.27 and 2,397.33

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Solution

The fourth proportional to 3,721.95, 5,135.27 and 2,397.33 is: 3,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.95 : 5,135.27 = 2,397.33 : x
  2. Step 2: Convert to fraction form
    3,721.95/5,135.27 = 2,397.33/x
  3. Step 3: Cross multiply
    3,721.95x = 5,135.27 × 2,397.33
  4. Step 4: Simplify right side
    3,721.95x = 12,310,924.84
  5. Step 5: Solve for x
    x = 12,310,924.84/3,721.95
  6. Step 6: Final answer
    x = 3,307.65

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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.