Home / 2,007.02-2,769.58-1,122.65

Finding the Fourth Proportional to 2,007.02, 2,769.58 and 1,122.65

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Solution

The fourth proportional to 2,007.02, 2,769.58 and 1,122.65 is: 1,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.02 : 2,769.58 = 1,122.65 : x
  2. Step 2: Convert to fraction form
    2,007.02/2,769.58 = 1,122.65/x
  3. Step 3: Cross multiply
    2,007.02x = 2,769.58 × 1,122.65
  4. Step 4: Simplify right side
    2,007.02x = 3,109,268.99
  5. Step 5: Solve for x
    x = 3,109,268.99/2,007.02
  6. Step 6: Final answer
    x = 1,549.20

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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.