Home / 3,345.74-4,616.13-2,018.90

Finding the Fourth Proportional to 3,345.74, 4,616.13 and 2,018.90

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Solution

The fourth proportional to 3,345.74, 4,616.13 and 2,018.90 is: 2,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.74 : 4,616.13 = 2,018.90 : x
  2. Step 2: Convert to fraction form
    3,345.74/4,616.13 = 2,018.90/x
  3. Step 3: Cross multiply
    3,345.74x = 4,616.13 × 2,018.90
  4. Step 4: Simplify right side
    3,345.74x = 9,319,504.86
  5. Step 5: Solve for x
    x = 9,319,504.86/3,345.74
  6. Step 6: Final answer
    x = 2,785.48

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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.