Home / 3,345.78-4,618.70-2,019.27

Finding the Fourth Proportional to 3,345.78, 4,618.70 and 2,019.27

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Solution

The fourth proportional to 3,345.78, 4,618.70 and 2,019.27 is: 2,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.78 : 4,618.70 = 2,019.27 : x
  2. Step 2: Convert to fraction form
    3,345.78/4,618.70 = 2,019.27/x
  3. Step 3: Cross multiply
    3,345.78x = 4,618.70 × 2,019.27
  4. Step 4: Simplify right side
    3,345.78x = 9,326,402.35
  5. Step 5: Solve for x
    x = 9,326,402.35/3,345.78
  6. Step 6: Final answer
    x = 2,787.51

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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.