Home / 1,852.39-2,555.30-1,144.39

Finding the Fourth Proportional to 1,852.39, 2,555.30 and 1,144.39

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Solution

The fourth proportional to 1,852.39, 2,555.30 and 1,144.39 is: 1,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.39 : 2,555.30 = 1,144.39 : x
  2. Step 2: Convert to fraction form
    1,852.39/2,555.30 = 1,144.39/x
  3. Step 3: Cross multiply
    1,852.39x = 2,555.30 × 1,144.39
  4. Step 4: Simplify right side
    1,852.39x = 2,924,251.95
  5. Step 5: Solve for x
    x = 2,924,251.95/1,852.39
  6. Step 6: Final answer
    x = 1,578.64

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Half 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.