Home / 3,513.65-4,848.71-2,020.55

Finding the Fourth Proportional to 3,513.65, 4,848.71 and 2,020.55

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Solution

The fourth proportional to 3,513.65, 4,848.71 and 2,020.55 is: 2,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.65 : 4,848.71 = 2,020.55 : x
  2. Step 2: Convert to fraction form
    3,513.65/4,848.71 = 2,020.55/x
  3. Step 3: Cross multiply
    3,513.65x = 4,848.71 × 2,020.55
  4. Step 4: Simplify right side
    3,513.65x = 9,797,026.64
  5. Step 5: Solve for x
    x = 9,797,026.64/3,513.65
  6. Step 6: Final answer
    x = 2,788.28

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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.