Home / 3,907.16-5,388.08-3,160.60

Finding the Fourth Proportional to 3,907.16, 5,388.08 and 3,160.60

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Solution

The fourth proportional to 3,907.16, 5,388.08 and 3,160.60 is: 4,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.16 : 5,388.08 = 3,160.60 : x
  2. Step 2: Convert to fraction form
    3,907.16/5,388.08 = 3,160.60/x
  3. Step 3: Cross multiply
    3,907.16x = 5,388.08 × 3,160.60
  4. Step 4: Simplify right side
    3,907.16x = 17,029,565.65
  5. Step 5: Solve for x
    x = 17,029,565.65/3,907.16
  6. Step 6: Final answer
    x = 4,358.55

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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.