Home / 4,089.15-5,641.79-2,320.29

Finding the Fourth Proportional to 4,089.15, 5,641.79 and 2,320.29

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Solution

The fourth proportional to 4,089.15, 5,641.79 and 2,320.29 is: 3,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.15 : 5,641.79 = 2,320.29 : x
  2. Step 2: Convert to fraction form
    4,089.15/5,641.79 = 2,320.29/x
  3. Step 3: Cross multiply
    4,089.15x = 5,641.79 × 2,320.29
  4. Step 4: Simplify right side
    4,089.15x = 13,090,577.32
  5. Step 5: Solve for x
    x = 13,090,577.32/4,089.15
  6. Step 6: Final answer
    x = 3,201.30

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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.