Home / 2,600.30-3,901.43-1,561.02

Finding the Fourth Proportional to 2,600.30, 3,901.43 and 1,561.02

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Solution

The fourth proportional to 2,600.30, 3,901.43 and 1,561.02 is: 2,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.30 : 3,901.43 = 1,561.02 : x
  2. Step 2: Convert to fraction form
    2,600.30/3,901.43 = 1,561.02/x
  3. Step 3: Cross multiply
    2,600.30x = 3,901.43 × 1,561.02
  4. Step 4: Simplify right side
    2,600.30x = 6,090,218.18
  5. Step 5: Solve for x
    x = 6,090,218.18/2,600.30
  6. Step 6: Final answer
    x = 2,342.12

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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.