Home / 2,495.40-3,443.65-1,376.41

Finding the Fourth Proportional to 2,495.40, 3,443.65 and 1,376.41

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Solution

The fourth proportional to 2,495.40, 3,443.65 and 1,376.41 is: 1,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.40 : 3,443.65 = 1,376.41 : x
  2. Step 2: Convert to fraction form
    2,495.40/3,443.65 = 1,376.41/x
  3. Step 3: Cross multiply
    2,495.40x = 3,443.65 × 1,376.41
  4. Step 4: Simplify right side
    2,495.40x = 4,739,862.25
  5. Step 5: Solve for x
    x = 4,739,862.25/2,495.40
  6. Step 6: Final answer
    x = 1,899.44

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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.