Home / 2,705.10-3,731.67-2,491.80

Finding the Fourth Proportional to 2,705.10, 3,731.67 and 2,491.80

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Solution

The fourth proportional to 2,705.10, 3,731.67 and 2,491.80 is: 3,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.10 : 3,731.67 = 2,491.80 : x
  2. Step 2: Convert to fraction form
    2,705.10/3,731.67 = 2,491.80/x
  3. Step 3: Cross multiply
    2,705.10x = 3,731.67 × 2,491.80
  4. Step 4: Simplify right side
    2,705.10x = 9,298,575.31
  5. Step 5: Solve for x
    x = 9,298,575.31/2,705.10
  6. Step 6: Final answer
    x = 3,437.42

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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.