Home / 1,809.93-2,497.61-1,013.30

Finding the Fourth Proportional to 1,809.93, 2,497.61 and 1,013.30

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Solution

The fourth proportional to 1,809.93, 2,497.61 and 1,013.30 is: 1,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.93 : 2,497.61 = 1,013.30 : x
  2. Step 2: Convert to fraction form
    1,809.93/2,497.61 = 1,013.30/x
  3. Step 3: Cross multiply
    1,809.93x = 2,497.61 × 1,013.30
  4. Step 4: Simplify right side
    1,809.93x = 2,530,810.66
  5. Step 5: Solve for x
    x = 2,530,810.66/1,809.93
  6. Step 6: Final answer
    x = 1,398.29

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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.