Home / 3,345.28-4,616.80-2,020.07

Finding the Fourth Proportional to 3,345.28, 4,616.80 and 2,020.07

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Solution

The fourth proportional to 3,345.28, 4,616.80 and 2,020.07 is: 2,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.28 : 4,616.80 = 2,020.07 : x
  2. Step 2: Convert to fraction form
    3,345.28/4,616.80 = 2,020.07/x
  3. Step 3: Cross multiply
    3,345.28x = 4,616.80 × 2,020.07
  4. Step 4: Simplify right side
    3,345.28x = 9,326,265.67
  5. Step 5: Solve for x
    x = 9,326,265.67/3,345.28
  6. Step 6: Final answer
    x = 2,787.89

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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.