Home / 3,490.07-4,812.25-2,648.68

Finding the Fourth Proportional to 3,490.07, 4,812.25 and 2,648.68

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Solution

The fourth proportional to 3,490.07, 4,812.25 and 2,648.68 is: 3,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.07 : 4,812.25 = 2,648.68 : x
  2. Step 2: Convert to fraction form
    3,490.07/4,812.25 = 2,648.68/x
  3. Step 3: Cross multiply
    3,490.07x = 4,812.25 × 2,648.68
  4. Step 4: Simplify right side
    3,490.07x = 12,746,110.33
  5. Step 5: Solve for x
    x = 12,746,110.33/3,490.07
  6. Step 6: Final answer
    x = 3,652.11

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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.