Home / 1,719.78-2,370.24-1,403.01

Finding the Fourth Proportional to 1,719.78, 2,370.24 and 1,403.01

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Solution

The fourth proportional to 1,719.78, 2,370.24 and 1,403.01 is: 1,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.78 : 2,370.24 = 1,403.01 : x
  2. Step 2: Convert to fraction form
    1,719.78/2,370.24 = 1,403.01/x
  3. Step 3: Cross multiply
    1,719.78x = 2,370.24 × 1,403.01
  4. Step 4: Simplify right side
    1,719.78x = 3,325,470.42
  5. Step 5: Solve for x
    x = 3,325,470.42/1,719.78
  6. Step 6: Final answer
    x = 1,933.66

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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.