Home / 1,717.47-2,369.33-1,009.31

Finding the Fourth Proportional to 1,717.47, 2,369.33 and 1,009.31

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Solution

The fourth proportional to 1,717.47, 2,369.33 and 1,009.31 is: 1,392.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.47 : 2,369.33 = 1,009.31 : x
  2. Step 2: Convert to fraction form
    1,717.47/2,369.33 = 1,009.31/x
  3. Step 3: Cross multiply
    1,717.47x = 2,369.33 × 1,009.31
  4. Step 4: Simplify right side
    1,717.47x = 2,391,371.57
  5. Step 5: Solve for x
    x = 2,391,371.57/1,717.47
  6. Step 6: Final answer
    x = 1,392.38

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1.5x scale

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.