Home / 2,254.10-3,110.54-1,309.82

Finding the Fourth Proportional to 2,254.10, 3,110.54 and 1,309.82

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Solution

The fourth proportional to 2,254.10, 3,110.54 and 1,309.82 is: 1,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.10 : 3,110.54 = 1,309.82 : x
  2. Step 2: Convert to fraction form
    2,254.10/3,110.54 = 1,309.82/x
  3. Step 3: Cross multiply
    2,254.10x = 3,110.54 × 1,309.82
  4. Step 4: Simplify right side
    2,254.10x = 4,074,225.40
  5. Step 5: Solve for x
    x = 4,074,225.40/2,254.10
  6. Step 6: Final answer
    x = 1,807.48

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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.