Home / 3,090.13-4,264.22-1,831.31

Finding the Fourth Proportional to 3,090.13, 4,264.22 and 1,831.31

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Solution

The fourth proportional to 3,090.13, 4,264.22 and 1,831.31 is: 2,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.13 : 4,264.22 = 1,831.31 : x
  2. Step 2: Convert to fraction form
    3,090.13/4,264.22 = 1,831.31/x
  3. Step 3: Cross multiply
    3,090.13x = 4,264.22 × 1,831.31
  4. Step 4: Simplify right side
    3,090.13x = 7,809,108.73
  5. Step 5: Solve for x
    x = 7,809,108.73/3,090.13
  6. Step 6: Final answer
    x = 2,527.11

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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.