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Finding the Fourth Proportional to 3,655.60, 5,477.10 and 1,703.80

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Solution

The fourth proportional to 3,655.60, 5,477.10 and 1,703.80 is: 2,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.60 : 5,477.10 = 1,703.80 : x
  2. Step 2: Convert to fraction form
    3,655.60/5,477.10 = 1,703.80/x
  3. Step 3: Cross multiply
    3,655.60x = 5,477.10 × 1,703.80
  4. Step 4: Simplify right side
    3,655.60x = 9,331,882.98
  5. Step 5: Solve for x
    x = 9,331,882.98/3,655.60
  6. Step 6: Final answer
    x = 2,552.76

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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.