Home / 1,821.96-2,508.66-1,510.92

Finding the Fourth Proportional to 1,821.96, 2,508.66 and 1,510.92

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Solution

The fourth proportional to 1,821.96, 2,508.66 and 1,510.92 is: 2,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.96 : 2,508.66 = 1,510.92 : x
  2. Step 2: Convert to fraction form
    1,821.96/2,508.66 = 1,510.92/x
  3. Step 3: Cross multiply
    1,821.96x = 2,508.66 × 1,510.92
  4. Step 4: Simplify right side
    1,821.96x = 3,790,384.57
  5. Step 5: Solve for x
    x = 3,790,384.57/1,821.96
  6. Step 6: Final answer
    x = 2,080.39

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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.