Home / 3,345.85-4,617.19-1,929.52

Finding the Fourth Proportional to 3,345.85, 4,617.19 and 1,929.52

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Solution

The fourth proportional to 3,345.85, 4,617.19 and 1,929.52 is: 2,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.85 : 4,617.19 = 1,929.52 : x
  2. Step 2: Convert to fraction form
    3,345.85/4,617.19 = 1,929.52/x
  3. Step 3: Cross multiply
    3,345.85x = 4,617.19 × 1,929.52
  4. Step 4: Simplify right side
    3,345.85x = 8,908,960.45
  5. Step 5: Solve for x
    x = 8,908,960.45/3,345.85
  6. Step 6: Final answer
    x = 2,662.69

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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.