Home / 3,870.43-5,808.08-1,649.26

Finding the Fourth Proportional to 3,870.43, 5,808.08 and 1,649.26

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Solution

The fourth proportional to 3,870.43, 5,808.08 and 1,649.26 is: 2,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.43 : 5,808.08 = 1,649.26 : x
  2. Step 2: Convert to fraction form
    3,870.43/5,808.08 = 1,649.26/x
  3. Step 3: Cross multiply
    3,870.43x = 5,808.08 × 1,649.26
  4. Step 4: Simplify right side
    3,870.43x = 9,579,034.02
  5. Step 5: Solve for x
    x = 9,579,034.02/3,870.43
  6. Step 6: Final answer
    x = 2,474.93

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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.