Home / 3,904.19-5,387.15-2,225.63

Finding the Fourth Proportional to 3,904.19, 5,387.15 and 2,225.63

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Solution

The fourth proportional to 3,904.19, 5,387.15 and 2,225.63 is: 3,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.19 : 5,387.15 = 2,225.63 : x
  2. Step 2: Convert to fraction form
    3,904.19/5,387.15 = 2,225.63/x
  3. Step 3: Cross multiply
    3,904.19x = 5,387.15 × 2,225.63
  4. Step 4: Simplify right side
    3,904.19x = 11,989,821.69
  5. Step 5: Solve for x
    x = 11,989,821.69/3,904.19
  6. Step 6: Final answer
    x = 3,071.01

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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.