Home / 2,899.80-4,344.30-2,705.40

Finding the Fourth Proportional to 2,899.80, 4,344.30 and 2,705.40

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Solution

The fourth proportional to 2,899.80, 4,344.30 and 2,705.40 is: 4,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.80 : 4,344.30 = 2,705.40 : x
  2. Step 2: Convert to fraction form
    2,899.80/4,344.30 = 2,705.40/x
  3. Step 3: Cross multiply
    2,899.80x = 4,344.30 × 2,705.40
  4. Step 4: Simplify right side
    2,899.80x = 11,753,069.22
  5. Step 5: Solve for x
    x = 11,753,069.22/2,899.80
  6. Step 6: Final answer
    x = 4,053.06

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1.5x scale

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.