Home / 2,540.48-3,501.12-1,831.12

Finding the Fourth Proportional to 2,540.48, 3,501.12 and 1,831.12

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Solution

The fourth proportional to 2,540.48, 3,501.12 and 1,831.12 is: 2,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.48 : 3,501.12 = 1,831.12 : x
  2. Step 2: Convert to fraction form
    2,540.48/3,501.12 = 1,831.12/x
  3. Step 3: Cross multiply
    2,540.48x = 3,501.12 × 1,831.12
  4. Step 4: Simplify right side
    2,540.48x = 6,410,970.85
  5. Step 5: Solve for x
    x = 6,410,970.85/2,540.48
  6. Step 6: Final answer
    x = 2,523.53

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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.