Home / 2,837.81-3,913.84-2,176.24

Finding the Fourth Proportional to 2,837.81, 3,913.84 and 2,176.24

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Solution

The fourth proportional to 2,837.81, 3,913.84 and 2,176.24 is: 3,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.81 : 3,913.84 = 2,176.24 : x
  2. Step 2: Convert to fraction form
    2,837.81/3,913.84 = 2,176.24/x
  3. Step 3: Cross multiply
    2,837.81x = 3,913.84 × 2,176.24
  4. Step 4: Simplify right side
    2,837.81x = 8,517,455.16
  5. Step 5: Solve for x
    x = 8,517,455.16/2,837.81
  6. Step 6: Final answer
    x = 3,001.42

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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.