Home / 1,752.75-2,419.22-1,089.18

Finding the Fourth Proportional to 1,752.75, 2,419.22 and 1,089.18

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Solution

The fourth proportional to 1,752.75, 2,419.22 and 1,089.18 is: 1,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.75 : 2,419.22 = 1,089.18 : x
  2. Step 2: Convert to fraction form
    1,752.75/2,419.22 = 1,089.18/x
  3. Step 3: Cross multiply
    1,752.75x = 2,419.22 × 1,089.18
  4. Step 4: Simplify right side
    1,752.75x = 2,634,960.59
  5. Step 5: Solve for x
    x = 2,634,960.59/1,752.75
  6. Step 6: Final answer
    x = 1,503.33

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Double scale
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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.