Home / 1,612.22-2,225.37-914.06

Finding the Fourth Proportional to 1,612.22, 2,225.37 and 914.06

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Solution

The fourth proportional to 1,612.22, 2,225.37 and 914.06 is: 1,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.22 : 2,225.37 = 914.06 : x
  2. Step 2: Convert to fraction form
    1,612.22/2,225.37 = 914.06/x
  3. Step 3: Cross multiply
    1,612.22x = 2,225.37 × 914.06
  4. Step 4: Simplify right side
    1,612.22x = 2,034,121.70
  5. Step 5: Solve for x
    x = 2,034,121.70/1,612.22
  6. Step 6: Final answer
    x = 1,261.69

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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.