Home / 1,831.38-2,527.04-1,113.20

Finding the Fourth Proportional to 1,831.38, 2,527.04 and 1,113.20

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Solution

The fourth proportional to 1,831.38, 2,527.04 and 1,113.20 is: 1,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.38 : 2,527.04 = 1,113.20 : x
  2. Step 2: Convert to fraction form
    1,831.38/2,527.04 = 1,113.20/x
  3. Step 3: Cross multiply
    1,831.38x = 2,527.04 × 1,113.20
  4. Step 4: Simplify right side
    1,831.38x = 2,813,082.73
  5. Step 5: Solve for x
    x = 2,813,082.73/1,831.38
  6. Step 6: Final answer
    x = 1,536.05

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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.