Home / 3,345.64-4,615.78-1,873.64

Finding the Fourth Proportional to 3,345.64, 4,615.78 and 1,873.64

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Solution

The fourth proportional to 3,345.64, 4,615.78 and 1,873.64 is: 2,584.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.64 : 4,615.78 = 1,873.64 : x
  2. Step 2: Convert to fraction form
    3,345.64/4,615.78 = 1,873.64/x
  3. Step 3: Cross multiply
    3,345.64x = 4,615.78 × 1,873.64
  4. Step 4: Simplify right side
    3,345.64x = 8,648,310.04
  5. Step 5: Solve for x
    x = 8,648,310.04/3,345.64
  6. Step 6: Final answer
    x = 2,584.95

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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.