Home / 2,032.20-2,804.04-1,147.80

Finding the Fourth Proportional to 2,032.20, 2,804.04 and 1,147.80

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Solution

The fourth proportional to 2,032.20, 2,804.04 and 1,147.80 is: 1,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.20 : 2,804.04 = 1,147.80 : x
  2. Step 2: Convert to fraction form
    2,032.20/2,804.04 = 1,147.80/x
  3. Step 3: Cross multiply
    2,032.20x = 2,804.04 × 1,147.80
  4. Step 4: Simplify right side
    2,032.20x = 3,218,477.11
  5. Step 5: Solve for x
    x = 3,218,477.11/2,032.20
  6. Step 6: Final answer
    x = 1,583.74

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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.