Home / 3,573.81-4,930.65-2,081.40

Finding the Fourth Proportional to 3,573.81, 4,930.65 and 2,081.40

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Solution

The fourth proportional to 3,573.81, 4,930.65 and 2,081.40 is: 2,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.81 : 4,930.65 = 2,081.40 : x
  2. Step 2: Convert to fraction form
    3,573.81/4,930.65 = 2,081.40/x
  3. Step 3: Cross multiply
    3,573.81x = 4,930.65 × 2,081.40
  4. Step 4: Simplify right side
    3,573.81x = 10,262,654.91
  5. Step 5: Solve for x
    x = 10,262,654.91/3,573.81
  6. Step 6: Final answer
    x = 2,871.63

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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.