Home / 3,061.68-4,226.08-1,802.64

Finding the Fourth Proportional to 3,061.68, 4,226.08 and 1,802.64

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Solution

The fourth proportional to 3,061.68, 4,226.08 and 1,802.64 is: 2,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.68 : 4,226.08 = 1,802.64 : x
  2. Step 2: Convert to fraction form
    3,061.68/4,226.08 = 1,802.64/x
  3. Step 3: Cross multiply
    3,061.68x = 4,226.08 × 1,802.64
  4. Step 4: Simplify right side
    3,061.68x = 7,618,100.85
  5. Step 5: Solve for x
    x = 7,618,100.85/3,061.68
  6. Step 6: Final answer
    x = 2,488.21

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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.