Home / 2,283.15-3,150.74-1,235.21

Finding the Fourth Proportional to 2,283.15, 3,150.74 and 1,235.21

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Solution

The fourth proportional to 2,283.15, 3,150.74 and 1,235.21 is: 1,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.15 : 3,150.74 = 1,235.21 : x
  2. Step 2: Convert to fraction form
    2,283.15/3,150.74 = 1,235.21/x
  3. Step 3: Cross multiply
    2,283.15x = 3,150.74 × 1,235.21
  4. Step 4: Simplify right side
    2,283.15x = 3,891,803.63
  5. Step 5: Solve for x
    x = 3,891,803.63/2,283.15
  6. Step 6: Final answer
    x = 1,704.58

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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.