Home / 1,612.44-2,219.90-1,530.36

Finding the Fourth Proportional to 1,612.44, 2,219.90 and 1,530.36

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Solution

The fourth proportional to 1,612.44, 2,219.90 and 1,530.36 is: 2,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.44 : 2,219.90 = 1,530.36 : x
  2. Step 2: Convert to fraction form
    1,612.44/2,219.90 = 1,530.36/x
  3. Step 3: Cross multiply
    1,612.44x = 2,219.90 × 1,530.36
  4. Step 4: Simplify right side
    1,612.44x = 3,397,246.16
  5. Step 5: Solve for x
    x = 3,397,246.16/1,612.44
  6. Step 6: Final answer
    x = 2,106.90

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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.