Home / 4,089.54-5,642.01-2,320.26

Finding the Fourth Proportional to 4,089.54, 5,642.01 and 2,320.26

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Solution

The fourth proportional to 4,089.54, 5,642.01 and 2,320.26 is: 3,201.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.54 : 5,642.01 = 2,320.26 : x
  2. Step 2: Convert to fraction form
    4,089.54/5,642.01 = 2,320.26/x
  3. Step 3: Cross multiply
    4,089.54x = 5,642.01 × 2,320.26
  4. Step 4: Simplify right side
    4,089.54x = 13,090,930.12
  5. Step 5: Solve for x
    x = 13,090,930.12/4,089.54
  6. Step 6: Final answer
    x = 3,201.08

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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.