Home / 1,810.42-2,498.54-1,102.19

Finding the Fourth Proportional to 1,810.42, 2,498.54 and 1,102.19

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Solution

The fourth proportional to 1,810.42, 2,498.54 and 1,102.19 is: 1,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.42 : 2,498.54 = 1,102.19 : x
  2. Step 2: Convert to fraction form
    1,810.42/2,498.54 = 1,102.19/x
  3. Step 3: Cross multiply
    1,810.42x = 2,498.54 × 1,102.19
  4. Step 4: Simplify right side
    1,810.42x = 2,753,847.80
  5. Step 5: Solve for x
    x = 2,753,847.80/1,810.42
  6. Step 6: Final answer
    x = 1,521.11

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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.