Home / 3,612.01-5,418.29-1,391.93

Finding the Fourth Proportional to 3,612.01, 5,418.29 and 1,391.93

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Solution

The fourth proportional to 3,612.01, 5,418.29 and 1,391.93 is: 2,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.01 : 5,418.29 = 1,391.93 : x
  2. Step 2: Convert to fraction form
    3,612.01/5,418.29 = 1,391.93/x
  3. Step 3: Cross multiply
    3,612.01x = 5,418.29 × 1,391.93
  4. Step 4: Simplify right side
    3,612.01x = 7,541,907.58
  5. Step 5: Solve for x
    x = 7,541,907.58/3,612.01
  6. Step 6: Final answer
    x = 2,088.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.