Home / 1,600.44-2,403.90-1,561.56

Finding the Fourth Proportional to 1,600.44, 2,403.90 and 1,561.56

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Solution

The fourth proportional to 1,600.44, 2,403.90 and 1,561.56 is: 2,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.44 : 2,403.90 = 1,561.56 : x
  2. Step 2: Convert to fraction form
    1,600.44/2,403.90 = 1,561.56/x
  3. Step 3: Cross multiply
    1,600.44x = 2,403.90 × 1,561.56
  4. Step 4: Simplify right side
    1,600.44x = 3,753,834.08
  5. Step 5: Solve for x
    x = 3,753,834.08/1,600.44
  6. Step 6: Final answer
    x = 2,345.50

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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.