Home / 2,225.66-3,069.81-1,479.24

Finding the Fourth Proportional to 2,225.66, 3,069.81 and 1,479.24

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Solution

The fourth proportional to 2,225.66, 3,069.81 and 1,479.24 is: 2,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.66 : 3,069.81 = 1,479.24 : x
  2. Step 2: Convert to fraction form
    2,225.66/3,069.81 = 1,479.24/x
  3. Step 3: Cross multiply
    2,225.66x = 3,069.81 × 1,479.24
  4. Step 4: Simplify right side
    2,225.66x = 4,540,985.74
  5. Step 5: Solve for x
    x = 4,540,985.74/2,225.66
  6. Step 6: Final answer
    x = 2,040.29

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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.