Home / 2,600.13-3,894.66-2,420.31

Finding the Fourth Proportional to 2,600.13, 3,894.66 and 2,420.31

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Solution

The fourth proportional to 2,600.13, 3,894.66 and 2,420.31 is: 3,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.13 : 3,894.66 = 2,420.31 : x
  2. Step 2: Convert to fraction form
    2,600.13/3,894.66 = 2,420.31/x
  3. Step 3: Cross multiply
    2,600.13x = 3,894.66 × 2,420.31
  4. Step 4: Simplify right side
    2,600.13x = 9,426,284.54
  5. Step 5: Solve for x
    x = 9,426,284.54/2,600.13
  6. Step 6: Final answer
    x = 3,625.31

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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.