Home / 1,837.94-2,740.42-1,805.13

Finding the Fourth Proportional to 1,837.94, 2,740.42 and 1,805.13

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Solution

The fourth proportional to 1,837.94, 2,740.42 and 1,805.13 is: 2,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.94 : 2,740.42 = 1,805.13 : x
  2. Step 2: Convert to fraction form
    1,837.94/2,740.42 = 1,805.13/x
  3. Step 3: Cross multiply
    1,837.94x = 2,740.42 × 1,805.13
  4. Step 4: Simplify right side
    1,837.94x = 4,946,816.61
  5. Step 5: Solve for x
    x = 4,946,816.61/1,837.94
  6. Step 6: Final answer
    x = 2,691.51

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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.