Home / 2,838.32-3,916.97-1,775.74

Finding the Fourth Proportional to 2,838.32, 3,916.97 and 1,775.74

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Solution

The fourth proportional to 2,838.32, 3,916.97 and 1,775.74 is: 2,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.32 : 3,916.97 = 1,775.74 : x
  2. Step 2: Convert to fraction form
    2,838.32/3,916.97 = 1,775.74/x
  3. Step 3: Cross multiply
    2,838.32x = 3,916.97 × 1,775.74
  4. Step 4: Simplify right side
    2,838.32x = 6,955,515.87
  5. Step 5: Solve for x
    x = 6,955,515.87/2,838.32
  6. Step 6: Final answer
    x = 2,450.58

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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.