Home / 2,837.07-4,230.12-2,728.80

Finding the Fourth Proportional to 2,837.07, 4,230.12 and 2,728.80

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Solution

The fourth proportional to 2,837.07, 4,230.12 and 2,728.80 is: 4,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.07 : 4,230.12 = 2,728.80 : x
  2. Step 2: Convert to fraction form
    2,837.07/4,230.12 = 2,728.80/x
  3. Step 3: Cross multiply
    2,837.07x = 4,230.12 × 2,728.80
  4. Step 4: Simplify right side
    2,837.07x = 11,543,151.46
  5. Step 5: Solve for x
    x = 11,543,151.46/2,837.07
  6. Step 6: Final answer
    x = 4,068.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.