Home / 1,719.38-2,373.32-1,159.49

Finding the Fourth Proportional to 1,719.38, 2,373.32 and 1,159.49

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Solution

The fourth proportional to 1,719.38, 2,373.32 and 1,159.49 is: 1,600.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.38 : 2,373.32 = 1,159.49 : x
  2. Step 2: Convert to fraction form
    1,719.38/2,373.32 = 1,159.49/x
  3. Step 3: Cross multiply
    1,719.38x = 2,373.32 × 1,159.49
  4. Step 4: Simplify right side
    1,719.38x = 2,751,831.84
  5. Step 5: Solve for x
    x = 2,751,831.84/1,719.38
  6. Step 6: Final answer
    x = 1,600.48

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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.