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Finding the Fourth Proportional to 3,710.57, 5,563.22 and 1,860.35

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Solution

The fourth proportional to 3,710.57, 5,563.22 and 1,860.35 is: 2,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.57 : 5,563.22 = 1,860.35 : x
  2. Step 2: Convert to fraction form
    3,710.57/5,563.22 = 1,860.35/x
  3. Step 3: Cross multiply
    3,710.57x = 5,563.22 × 1,860.35
  4. Step 4: Simplify right side
    3,710.57x = 10,349,499.21
  5. Step 5: Solve for x
    x = 10,349,499.21/3,710.57
  6. Step 6: Final answer
    x = 2,789.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.