Home / 3,570.15-5,379.60-2,935.11

Finding the Fourth Proportional to 3,570.15, 5,379.60 and 2,935.11

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Solution

The fourth proportional to 3,570.15, 5,379.60 and 2,935.11 is: 4,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.15 : 5,379.60 = 2,935.11 : x
  2. Step 2: Convert to fraction form
    3,570.15/5,379.60 = 2,935.11/x
  3. Step 3: Cross multiply
    3,570.15x = 5,379.60 × 2,935.11
  4. Step 4: Simplify right side
    3,570.15x = 15,789,717.76
  5. Step 5: Solve for x
    x = 15,789,717.76/3,570.15
  6. Step 6: Final answer
    x = 4,422.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.