Home / 1,717.48-2,370.15-1,009.15

Finding the Fourth Proportional to 1,717.48, 2,370.15 and 1,009.15

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Solution

The fourth proportional to 1,717.48, 2,370.15 and 1,009.15 is: 1,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.48 : 2,370.15 = 1,009.15 : x
  2. Step 2: Convert to fraction form
    1,717.48/2,370.15 = 1,009.15/x
  3. Step 3: Cross multiply
    1,717.48x = 2,370.15 × 1,009.15
  4. Step 4: Simplify right side
    1,717.48x = 2,391,836.87
  5. Step 5: Solve for x
    x = 2,391,836.87/1,717.48
  6. Step 6: Final answer
    x = 1,392.64

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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.