Home / 3,345.79-4,617.68-2,019.69

Finding the Fourth Proportional to 3,345.79, 4,617.68 and 2,019.69

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Solution

The fourth proportional to 3,345.79, 4,617.68 and 2,019.69 is: 2,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.79 : 4,617.68 = 2,019.69 : x
  2. Step 2: Convert to fraction form
    3,345.79/4,617.68 = 2,019.69/x
  3. Step 3: Cross multiply
    3,345.79x = 4,617.68 × 2,019.69
  4. Step 4: Simplify right side
    3,345.79x = 9,326,248.93
  5. Step 5: Solve for x
    x = 9,326,248.93/3,345.79
  6. Step 6: Final answer
    x = 2,787.46

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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.