Home / 3,573.04-4,930.68-1,979.76

Finding the Fourth Proportional to 3,573.04, 4,930.68 and 1,979.76

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Solution

The fourth proportional to 3,573.04, 4,930.68 and 1,979.76 is: 2,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.04 : 4,930.68 = 1,979.76 : x
  2. Step 2: Convert to fraction form
    3,573.04/4,930.68 = 1,979.76/x
  3. Step 3: Cross multiply
    3,573.04x = 4,930.68 × 1,979.76
  4. Step 4: Simplify right side
    3,573.04x = 9,761,563.04
  5. Step 5: Solve for x
    x = 9,761,563.04/3,573.04
  6. Step 6: Final answer
    x = 2,732.00

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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.