Home / 2,621.33-3,617.51-1,442.48

Finding the Fourth Proportional to 2,621.33, 3,617.51 and 1,442.48

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Solution

The fourth proportional to 2,621.33, 3,617.51 and 1,442.48 is: 1,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.33 : 3,617.51 = 1,442.48 : x
  2. Step 2: Convert to fraction form
    2,621.33/3,617.51 = 1,442.48/x
  3. Step 3: Cross multiply
    2,621.33x = 3,617.51 × 1,442.48
  4. Step 4: Simplify right side
    2,621.33x = 5,218,167.74
  5. Step 5: Solve for x
    x = 5,218,167.74/2,621.33
  6. Step 6: Final answer
    x = 1,990.66

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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.