Home / 2,511.60-3,764.30-1,820.63

Finding the Fourth Proportional to 2,511.60, 3,764.30 and 1,820.63

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Solution

The fourth proportional to 2,511.60, 3,764.30 and 1,820.63 is: 2,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.60 : 3,764.30 = 1,820.63 : x
  2. Step 2: Convert to fraction form
    2,511.60/3,764.30 = 1,820.63/x
  3. Step 3: Cross multiply
    2,511.60x = 3,764.30 × 1,820.63
  4. Step 4: Simplify right side
    2,511.60x = 6,853,397.51
  5. Step 5: Solve for x
    x = 6,853,397.51/2,511.60
  6. Step 6: Final answer
    x = 2,728.70

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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.