Home / 3,345.32-4,616.64-1,929.47

Finding the Fourth Proportional to 3,345.32, 4,616.64 and 1,929.47

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Solution

The fourth proportional to 3,345.32, 4,616.64 and 1,929.47 is: 2,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.32 : 4,616.64 = 1,929.47 : x
  2. Step 2: Convert to fraction form
    3,345.32/4,616.64 = 1,929.47/x
  3. Step 3: Cross multiply
    3,345.32x = 4,616.64 × 1,929.47
  4. Step 4: Simplify right side
    3,345.32x = 8,907,645.30
  5. Step 5: Solve for x
    x = 8,907,645.30/3,345.32
  6. Step 6: Final answer
    x = 2,662.72

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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.