Home / 3,852.74-5,776.95-2,621.81

Finding the Fourth Proportional to 3,852.74, 5,776.95 and 2,621.81

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Solution

The fourth proportional to 3,852.74, 5,776.95 and 2,621.81 is: 3,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.74 : 5,776.95 = 2,621.81 : x
  2. Step 2: Convert to fraction form
    3,852.74/5,776.95 = 2,621.81/x
  3. Step 3: Cross multiply
    3,852.74x = 5,776.95 × 2,621.81
  4. Step 4: Simplify right side
    3,852.74x = 15,146,065.28
  5. Step 5: Solve for x
    x = 15,146,065.28/3,852.74
  6. Step 6: Final answer
    x = 3,931.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.