Home / 2,776.22-3,831.18-1,534.22

Finding the Fourth Proportional to 2,776.22, 3,831.18 and 1,534.22

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Solution

The fourth proportional to 2,776.22, 3,831.18 and 1,534.22 is: 2,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.22 : 3,831.18 = 1,534.22 : x
  2. Step 2: Convert to fraction form
    2,776.22/3,831.18 = 1,534.22/x
  3. Step 3: Cross multiply
    2,776.22x = 3,831.18 × 1,534.22
  4. Step 4: Simplify right side
    2,776.22x = 5,877,872.98
  5. Step 5: Solve for x
    x = 5,877,872.98/2,776.22
  6. Step 6: Final answer
    x = 2,117.22

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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.