Home / 3,795.51-5,237.28-2,116.72

Finding the Fourth Proportional to 3,795.51, 5,237.28 and 2,116.72

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Solution

The fourth proportional to 3,795.51, 5,237.28 and 2,116.72 is: 2,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.51 : 5,237.28 = 2,116.72 : x
  2. Step 2: Convert to fraction form
    3,795.51/5,237.28 = 2,116.72/x
  3. Step 3: Cross multiply
    3,795.51x = 5,237.28 × 2,116.72
  4. Step 4: Simplify right side
    3,795.51x = 11,085,829.14
  5. Step 5: Solve for x
    x = 11,085,829.14/3,795.51
  6. Step 6: Final answer
    x = 2,920.77

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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.