Home / 1,657.26-2,480.57-1,100.69

Finding the Fourth Proportional to 1,657.26, 2,480.57 and 1,100.69

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Solution

The fourth proportional to 1,657.26, 2,480.57 and 1,100.69 is: 1,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.26 : 2,480.57 = 1,100.69 : x
  2. Step 2: Convert to fraction form
    1,657.26/2,480.57 = 1,100.69/x
  3. Step 3: Cross multiply
    1,657.26x = 2,480.57 × 1,100.69
  4. Step 4: Simplify right side
    1,657.26x = 2,730,320.69
  5. Step 5: Solve for x
    x = 2,730,320.69/1,657.26
  6. Step 6: Final answer
    x = 1,647.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.