Home / 3,899.17-5,852.40-2,798.38

Finding the Fourth Proportional to 3,899.17, 5,852.40 and 2,798.38

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Solution

The fourth proportional to 3,899.17, 5,852.40 and 2,798.38 is: 4,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.17 : 5,852.40 = 2,798.38 : x
  2. Step 2: Convert to fraction form
    3,899.17/5,852.40 = 2,798.38/x
  3. Step 3: Cross multiply
    3,899.17x = 5,852.40 × 2,798.38
  4. Step 4: Simplify right side
    3,899.17x = 16,377,239.11
  5. Step 5: Solve for x
    x = 16,377,239.11/3,899.17
  6. Step 6: Final answer
    x = 4,200.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.