Home / 2,806.40-4,204.22-1,574.69

Finding the Fourth Proportional to 2,806.40, 4,204.22 and 1,574.69

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Solution

The fourth proportional to 2,806.40, 4,204.22 and 1,574.69 is: 2,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.40 : 4,204.22 = 1,574.69 : x
  2. Step 2: Convert to fraction form
    2,806.40/4,204.22 = 1,574.69/x
  3. Step 3: Cross multiply
    2,806.40x = 4,204.22 × 1,574.69
  4. Step 4: Simplify right side
    2,806.40x = 6,620,314.30
  5. Step 5: Solve for x
    x = 6,620,314.30/2,806.40
  6. Step 6: Final answer
    x = 2,359.00

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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.