Home / 3,376.64-4,658.56-1,904.64

Finding the Fourth Proportional to 3,376.64, 4,658.56 and 1,904.64

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Solution

The fourth proportional to 3,376.64, 4,658.56 and 1,904.64 is: 2,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.64 : 4,658.56 = 1,904.64 : x
  2. Step 2: Convert to fraction form
    3,376.64/4,658.56 = 1,904.64/x
  3. Step 3: Cross multiply
    3,376.64x = 4,658.56 × 1,904.64
  4. Step 4: Simplify right side
    3,376.64x = 8,872,879.72
  5. Step 5: Solve for x
    x = 8,872,879.72/3,376.64
  6. Step 6: Final answer
    x = 2,627.72

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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.