Home / 2,907.32-4,012.62-2,285.24

Finding the Fourth Proportional to 2,907.32, 4,012.62 and 2,285.24

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Solution

The fourth proportional to 2,907.32, 4,012.62 and 2,285.24 is: 3,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.32 : 4,012.62 = 2,285.24 : x
  2. Step 2: Convert to fraction form
    2,907.32/4,012.62 = 2,285.24/x
  3. Step 3: Cross multiply
    2,907.32x = 4,012.62 × 2,285.24
  4. Step 4: Simplify right side
    2,907.32x = 9,169,799.73
  5. Step 5: Solve for x
    x = 9,169,799.73/2,907.32
  6. Step 6: Final answer
    x = 3,154.04

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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.