Home / 2,574.18-3,861.06-1,405.08

Finding the Fourth Proportional to 2,574.18, 3,861.06 and 1,405.08

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Solution

The fourth proportional to 2,574.18, 3,861.06 and 1,405.08 is: 2,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.18 : 3,861.06 = 1,405.08 : x
  2. Step 2: Convert to fraction form
    2,574.18/3,861.06 = 1,405.08/x
  3. Step 3: Cross multiply
    2,574.18x = 3,861.06 × 1,405.08
  4. Step 4: Simplify right side
    2,574.18x = 5,425,098.18
  5. Step 5: Solve for x
    x = 5,425,098.18/2,574.18
  6. Step 6: Final answer
    x = 2,107.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.