Home / 2,005.04-2,765.56-1,839.80

Finding the Fourth Proportional to 2,005.04, 2,765.56 and 1,839.80

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Solution

The fourth proportional to 2,005.04, 2,765.56 and 1,839.80 is: 2,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.04 : 2,765.56 = 1,839.80 : x
  2. Step 2: Convert to fraction form
    2,005.04/2,765.56 = 1,839.80/x
  3. Step 3: Cross multiply
    2,005.04x = 2,765.56 × 1,839.80
  4. Step 4: Simplify right side
    2,005.04x = 5,088,077.29
  5. Step 5: Solve for x
    x = 5,088,077.29/2,005.04
  6. Step 6: Final answer
    x = 2,537.64

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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.