Home / 1,717.64-2,370.98-1,055.39

Finding the Fourth Proportional to 1,717.64, 2,370.98 and 1,055.39

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Solution

The fourth proportional to 1,717.64, 2,370.98 and 1,055.39 is: 1,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.64 : 2,370.98 = 1,055.39 : x
  2. Step 2: Convert to fraction form
    1,717.64/2,370.98 = 1,055.39/x
  3. Step 3: Cross multiply
    1,717.64x = 2,370.98 × 1,055.39
  4. Step 4: Simplify right side
    1,717.64x = 2,502,291.45
  5. Step 5: Solve for x
    x = 2,502,291.45/1,717.64
  6. Step 6: Final answer
    x = 1,456.82

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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.