Home / 2,254.23-3,110.40-1,310.58

Finding the Fourth Proportional to 2,254.23, 3,110.40 and 1,310.58

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Solution

The fourth proportional to 2,254.23, 3,110.40 and 1,310.58 is: 1,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.23 : 3,110.40 = 1,310.58 : x
  2. Step 2: Convert to fraction form
    2,254.23/3,110.40 = 1,310.58/x
  3. Step 3: Cross multiply
    2,254.23x = 3,110.40 × 1,310.58
  4. Step 4: Simplify right side
    2,254.23x = 4,076,428.03
  5. Step 5: Solve for x
    x = 4,076,428.03/2,254.23
  6. Step 6: Final answer
    x = 1,808.35

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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.