Home / 1,612.65-2,225.16-1,363.44

Finding the Fourth Proportional to 1,612.65, 2,225.16 and 1,363.44

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Solution

The fourth proportional to 1,612.65, 2,225.16 and 1,363.44 is: 1,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.65 : 2,225.16 = 1,363.44 : x
  2. Step 2: Convert to fraction form
    1,612.65/2,225.16 = 1,363.44/x
  3. Step 3: Cross multiply
    1,612.65x = 2,225.16 × 1,363.44
  4. Step 4: Simplify right side
    1,612.65x = 3,033,872.15
  5. Step 5: Solve for x
    x = 3,033,872.15/1,612.65
  6. Step 6: Final answer
    x = 1,881.30

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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.