Home / 2,491.29-3,437.98-1,372.22

Finding the Fourth Proportional to 2,491.29, 3,437.98 and 1,372.22

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Solution

The fourth proportional to 2,491.29, 3,437.98 and 1,372.22 is: 1,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.29 : 3,437.98 = 1,372.22 : x
  2. Step 2: Convert to fraction form
    2,491.29/3,437.98 = 1,372.22/x
  3. Step 3: Cross multiply
    2,491.29x = 3,437.98 × 1,372.22
  4. Step 4: Simplify right side
    2,491.29x = 4,717,664.92
  5. Step 5: Solve for x
    x = 4,717,664.92/2,491.29
  6. Step 6: Final answer
    x = 1,893.66

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1.5x scale

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.