Home / 2,909.43-4,368.25-2,087.26

Finding the Fourth Proportional to 2,909.43, 4,368.25 and 2,087.26

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Solution

The fourth proportional to 2,909.43, 4,368.25 and 2,087.26 is: 3,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.43 : 4,368.25 = 2,087.26 : x
  2. Step 2: Convert to fraction form
    2,909.43/4,368.25 = 2,087.26/x
  3. Step 3: Cross multiply
    2,909.43x = 4,368.25 × 2,087.26
  4. Step 4: Simplify right side
    2,909.43x = 9,117,641.22
  5. Step 5: Solve for x
    x = 9,117,641.22/2,909.43
  6. Step 6: Final answer
    x = 3,133.82

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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.