Home / 3,125.05-4,312.44-1,799.17

Finding the Fourth Proportional to 3,125.05, 4,312.44 and 1,799.17

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Solution

The fourth proportional to 3,125.05, 4,312.44 and 1,799.17 is: 2,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.05 : 4,312.44 = 1,799.17 : x
  2. Step 2: Convert to fraction form
    3,125.05/4,312.44 = 1,799.17/x
  3. Step 3: Cross multiply
    3,125.05x = 4,312.44 × 1,799.17
  4. Step 4: Simplify right side
    3,125.05x = 7,758,801.89
  5. Step 5: Solve for x
    x = 7,758,801.89/3,125.05
  6. Step 6: Final answer
    x = 2,482.78

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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.