Home / 1,717.42-2,369.85-1,009.15

Finding the Fourth Proportional to 1,717.42, 2,369.85 and 1,009.15

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Solution

The fourth proportional to 1,717.42, 2,369.85 and 1,009.15 is: 1,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.42 : 2,369.85 = 1,009.15 : x
  2. Step 2: Convert to fraction form
    1,717.42/2,369.85 = 1,009.15/x
  3. Step 3: Cross multiply
    1,717.42x = 2,369.85 × 1,009.15
  4. Step 4: Simplify right side
    1,717.42x = 2,391,534.13
  5. Step 5: Solve for x
    x = 2,391,534.13/1,717.42
  6. Step 6: Final answer
    x = 1,392.52

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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.