Home / 1,831.32-2,526.78-1,045.08

Finding the Fourth Proportional to 1,831.32, 2,526.78 and 1,045.08

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Solution

The fourth proportional to 1,831.32, 2,526.78 and 1,045.08 is: 1,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.32 : 2,526.78 = 1,045.08 : x
  2. Step 2: Convert to fraction form
    1,831.32/2,526.78 = 1,045.08/x
  3. Step 3: Cross multiply
    1,831.32x = 2,526.78 × 1,045.08
  4. Step 4: Simplify right side
    1,831.32x = 2,640,687.24
  5. Step 5: Solve for x
    x = 2,640,687.24/1,831.32
  6. Step 6: Final answer
    x = 1,441.96

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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.