Home / 3,513.61-4,848.28-2,020.98

Finding the Fourth Proportional to 3,513.61, 4,848.28 and 2,020.98

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Solution

The fourth proportional to 3,513.61, 4,848.28 and 2,020.98 is: 2,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.61 : 4,848.28 = 2,020.98 : x
  2. Step 2: Convert to fraction form
    3,513.61/4,848.28 = 2,020.98/x
  3. Step 3: Cross multiply
    3,513.61x = 4,848.28 × 2,020.98
  4. Step 4: Simplify right side
    3,513.61x = 9,798,266.81
  5. Step 5: Solve for x
    x = 9,798,266.81/3,513.61
  6. Step 6: Final answer
    x = 2,788.66

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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.