Home / 2,451.81-3,381.21-1,655.28

Finding the Fourth Proportional to 2,451.81, 3,381.21 and 1,655.28

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Solution

The fourth proportional to 2,451.81, 3,381.21 and 1,655.28 is: 2,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.81 : 3,381.21 = 1,655.28 : x
  2. Step 2: Convert to fraction form
    2,451.81/3,381.21 = 1,655.28/x
  3. Step 3: Cross multiply
    2,451.81x = 3,381.21 × 1,655.28
  4. Step 4: Simplify right side
    2,451.81x = 5,596,849.29
  5. Step 5: Solve for x
    x = 5,596,849.29/2,451.81
  6. Step 6: Final answer
    x = 2,282.74

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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.