Home / 2,803.60-3,868.86-1,544.58

Finding the Fourth Proportional to 2,803.60, 3,868.86 and 1,544.58

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Solution

The fourth proportional to 2,803.60, 3,868.86 and 1,544.58 is: 2,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.60 : 3,868.86 = 1,544.58 : x
  2. Step 2: Convert to fraction form
    2,803.60/3,868.86 = 1,544.58/x
  3. Step 3: Cross multiply
    2,803.60x = 3,868.86 × 1,544.58
  4. Step 4: Simplify right side
    2,803.60x = 5,975,763.78
  5. Step 5: Solve for x
    x = 5,975,763.78/2,803.60
  6. Step 6: Final answer
    x = 2,131.46

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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.