Home / 2,240.08-3,089.94-1,443.13

Finding the Fourth Proportional to 2,240.08, 3,089.94 and 1,443.13

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Solution

The fourth proportional to 2,240.08, 3,089.94 and 1,443.13 is: 1,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.08 : 3,089.94 = 1,443.13 : x
  2. Step 2: Convert to fraction form
    2,240.08/3,089.94 = 1,443.13/x
  3. Step 3: Cross multiply
    2,240.08x = 3,089.94 × 1,443.13
  4. Step 4: Simplify right side
    2,240.08x = 4,459,185.11
  5. Step 5: Solve for x
    x = 4,459,185.11/2,240.08
  6. Step 6: Final answer
    x = 1,990.64

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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.