Home / 2,907.62-4,360.28-1,425.92

Finding the Fourth Proportional to 2,907.62, 4,360.28 and 1,425.92

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Solution

The fourth proportional to 2,907.62, 4,360.28 and 1,425.92 is: 2,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.62 : 4,360.28 = 1,425.92 : x
  2. Step 2: Convert to fraction form
    2,907.62/4,360.28 = 1,425.92/x
  3. Step 3: Cross multiply
    2,907.62x = 4,360.28 × 1,425.92
  4. Step 4: Simplify right side
    2,907.62x = 6,217,410.46
  5. Step 5: Solve for x
    x = 6,217,410.46/2,907.62
  6. Step 6: Final answer
    x = 2,138.32

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1.5x scale

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.