Home / 3,513.07-4,848.18-2,020.99

Finding the Fourth Proportional to 3,513.07, 4,848.18 and 2,020.99

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Solution

The fourth proportional to 3,513.07, 4,848.18 and 2,020.99 is: 2,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.07 : 4,848.18 = 2,020.99 : x
  2. Step 2: Convert to fraction form
    3,513.07/4,848.18 = 2,020.99/x
  3. Step 3: Cross multiply
    3,513.07x = 4,848.18 × 2,020.99
  4. Step 4: Simplify right side
    3,513.07x = 9,798,111.18
  5. Step 5: Solve for x
    x = 9,798,111.18/3,513.07
  6. Step 6: Final answer
    x = 2,789.05

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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.