Home / 3,345.93-4,617.56-2,019.72

Finding the Fourth Proportional to 3,345.93, 4,617.56 and 2,019.72

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Solution

The fourth proportional to 3,345.93, 4,617.56 and 2,019.72 is: 2,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.93 : 4,617.56 = 2,019.72 : x
  2. Step 2: Convert to fraction form
    3,345.93/4,617.56 = 2,019.72/x
  3. Step 3: Cross multiply
    3,345.93x = 4,617.56 × 2,019.72
  4. Step 4: Simplify right side
    3,345.93x = 9,326,200.65
  5. Step 5: Solve for x
    x = 9,326,200.65/3,345.93
  6. Step 6: Final answer
    x = 2,787.33

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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.