Home / 2,280.52-3,147.11-1,232.58

Finding the Fourth Proportional to 2,280.52, 3,147.11 and 1,232.58

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Solution

The fourth proportional to 2,280.52, 3,147.11 and 1,232.58 is: 1,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.52 : 3,147.11 = 1,232.58 : x
  2. Step 2: Convert to fraction form
    2,280.52/3,147.11 = 1,232.58/x
  3. Step 3: Cross multiply
    2,280.52x = 3,147.11 × 1,232.58
  4. Step 4: Simplify right side
    2,280.52x = 3,879,075.10
  5. Step 5: Solve for x
    x = 3,879,075.10/2,280.52
  6. Step 6: Final answer
    x = 1,700.96

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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.