Home / 3,904.05-5,387.41-2,225.53

Finding the Fourth Proportional to 3,904.05, 5,387.41 and 2,225.53

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Solution

The fourth proportional to 3,904.05, 5,387.41 and 2,225.53 is: 3,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.05 : 5,387.41 = 2,225.53 : x
  2. Step 2: Convert to fraction form
    3,904.05/5,387.41 = 2,225.53/x
  3. Step 3: Cross multiply
    3,904.05x = 5,387.41 × 2,225.53
  4. Step 4: Simplify right side
    3,904.05x = 11,989,842.58
  5. Step 5: Solve for x
    x = 11,989,842.58/3,904.05
  6. Step 6: Final answer
    x = 3,071.13

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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.