Home / 3,904.53-5,386.65-2,225.61

Finding the Fourth Proportional to 3,904.53, 5,386.65 and 2,225.61

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Solution

The fourth proportional to 3,904.53, 5,386.65 and 2,225.61 is: 3,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.53 : 5,386.65 = 2,225.61 : x
  2. Step 2: Convert to fraction form
    3,904.53/5,386.65 = 2,225.61/x
  3. Step 3: Cross multiply
    3,904.53x = 5,386.65 × 2,225.61
  4. Step 4: Simplify right side
    3,904.53x = 11,988,582.11
  5. Step 5: Solve for x
    x = 11,988,582.11/3,904.53
  6. Step 6: Final answer
    x = 3,070.43

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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.