Home / 2,804.30-4,200.77-1,301.20

Finding the Fourth Proportional to 2,804.30, 4,200.77 and 1,301.20

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Solution

The fourth proportional to 2,804.30, 4,200.77 and 1,301.20 is: 1,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.30 : 4,200.77 = 1,301.20 : x
  2. Step 2: Convert to fraction form
    2,804.30/4,200.77 = 1,301.20/x
  3. Step 3: Cross multiply
    2,804.30x = 4,200.77 × 1,301.20
  4. Step 4: Simplify right side
    2,804.30x = 5,466,041.92
  5. Step 5: Solve for x
    x = 5,466,041.92/2,804.30
  6. Step 6: Final answer
    x = 1,949.16

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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.