Home / 3,145.98-4,727.08-2,802.54

Finding the Fourth Proportional to 3,145.98, 4,727.08 and 2,802.54

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Solution

The fourth proportional to 3,145.98, 4,727.08 and 2,802.54 is: 4,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.98 : 4,727.08 = 2,802.54 : x
  2. Step 2: Convert to fraction form
    3,145.98/4,727.08 = 2,802.54/x
  3. Step 3: Cross multiply
    3,145.98x = 4,727.08 × 2,802.54
  4. Step 4: Simplify right side
    3,145.98x = 13,247,830.78
  5. Step 5: Solve for x
    x = 13,247,830.78/3,145.98
  6. Step 6: Final answer
    x = 4,211.03

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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.