Home / 2,617.06-3,925.32-1,640.20

Finding the Fourth Proportional to 2,617.06, 3,925.32 and 1,640.20

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Solution

The fourth proportional to 2,617.06, 3,925.32 and 1,640.20 is: 2,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.06 : 3,925.32 = 1,640.20 : x
  2. Step 2: Convert to fraction form
    2,617.06/3,925.32 = 1,640.20/x
  3. Step 3: Cross multiply
    2,617.06x = 3,925.32 × 1,640.20
  4. Step 4: Simplify right side
    2,617.06x = 6,438,309.86
  5. Step 5: Solve for x
    x = 6,438,309.86/2,617.06
  6. Step 6: Final answer
    x = 2,460.13

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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.