Home / 2,900.11-4,001.92-1,705.14

Finding the Fourth Proportional to 2,900.11, 4,001.92 and 1,705.14

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Solution

The fourth proportional to 2,900.11, 4,001.92 and 1,705.14 is: 2,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.11 : 4,001.92 = 1,705.14 : x
  2. Step 2: Convert to fraction form
    2,900.11/4,001.92 = 1,705.14/x
  3. Step 3: Cross multiply
    2,900.11x = 4,001.92 × 1,705.14
  4. Step 4: Simplify right side
    2,900.11x = 6,823,841.60
  5. Step 5: Solve for x
    x = 6,823,841.60/2,900.11
  6. Step 6: Final answer
    x = 2,352.96

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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.