Home / 3,557.28-4,909.09-2,065.26

Finding the Fourth Proportional to 3,557.28, 4,909.09 and 2,065.26

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Solution

The fourth proportional to 3,557.28, 4,909.09 and 2,065.26 is: 2,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.28 : 4,909.09 = 2,065.26 : x
  2. Step 2: Convert to fraction form
    3,557.28/4,909.09 = 2,065.26/x
  3. Step 3: Cross multiply
    3,557.28x = 4,909.09 × 2,065.26
  4. Step 4: Simplify right side
    3,557.28x = 10,138,547.21
  5. Step 5: Solve for x
    x = 10,138,547.21/3,557.28
  6. Step 6: Final answer
    x = 2,850.08

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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.