Home / 1,717.88-2,370.28-1,159.39

Finding the Fourth Proportional to 1,717.88, 2,370.28 and 1,159.39

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Solution

The fourth proportional to 1,717.88, 2,370.28 and 1,159.39 is: 1,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.88 : 2,370.28 = 1,159.39 : x
  2. Step 2: Convert to fraction form
    1,717.88/2,370.28 = 1,159.39/x
  3. Step 3: Cross multiply
    1,717.88x = 2,370.28 × 1,159.39
  4. Step 4: Simplify right side
    1,717.88x = 2,748,078.93
  5. Step 5: Solve for x
    x = 2,748,078.93/1,717.88
  6. Step 6: Final answer
    x = 1,599.69

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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.