Home / 3,640.18-5,025.74-2,580.19

Finding the Fourth Proportional to 3,640.18, 5,025.74 and 2,580.19

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Solution

The fourth proportional to 3,640.18, 5,025.74 and 2,580.19 is: 3,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.18 : 5,025.74 = 2,580.19 : x
  2. Step 2: Convert to fraction form
    3,640.18/5,025.74 = 2,580.19/x
  3. Step 3: Cross multiply
    3,640.18x = 5,025.74 × 2,580.19
  4. Step 4: Simplify right side
    3,640.18x = 12,967,326.06
  5. Step 5: Solve for x
    x = 12,967,326.06/3,640.18
  6. Step 6: Final answer
    x = 3,562.28

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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.