Home / 2,753.18-3,798.99-1,511.18

Finding the Fourth Proportional to 2,753.18, 3,798.99 and 1,511.18

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Solution

The fourth proportional to 2,753.18, 3,798.99 and 1,511.18 is: 2,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.18 : 3,798.99 = 1,511.18 : x
  2. Step 2: Convert to fraction form
    2,753.18/3,798.99 = 1,511.18/x
  3. Step 3: Cross multiply
    2,753.18x = 3,798.99 × 1,511.18
  4. Step 4: Simplify right side
    2,753.18x = 5,740,957.71
  5. Step 5: Solve for x
    x = 5,740,957.71/2,753.18
  6. Step 6: Final answer
    x = 2,085.21

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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.