Home / 3,345.27-4,615.74-2,018.94

Finding the Fourth Proportional to 3,345.27, 4,615.74 and 2,018.94

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Solution

The fourth proportional to 3,345.27, 4,615.74 and 2,018.94 is: 2,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.27 : 4,615.74 = 2,018.94 : x
  2. Step 2: Convert to fraction form
    3,345.27/4,615.74 = 2,018.94/x
  3. Step 3: Cross multiply
    3,345.27x = 4,615.74 × 2,018.94
  4. Step 4: Simplify right side
    3,345.27x = 9,318,902.12
  5. Step 5: Solve for x
    x = 9,318,902.12/3,345.27
  6. Step 6: Final answer
    x = 2,785.70

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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.