Home / 1,717.26-2,368.68-1,126.74

Finding the Fourth Proportional to 1,717.26, 2,368.68 and 1,126.74

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Solution

The fourth proportional to 1,717.26, 2,368.68 and 1,126.74 is: 1,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.26 : 2,368.68 = 1,126.74 : x
  2. Step 2: Convert to fraction form
    1,717.26/2,368.68 = 1,126.74/x
  3. Step 3: Cross multiply
    1,717.26x = 2,368.68 × 1,126.74
  4. Step 4: Simplify right side
    1,717.26x = 2,668,886.50
  5. Step 5: Solve for x
    x = 2,668,886.50/1,717.26
  6. Step 6: Final answer
    x = 1,554.15

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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.