Home / 1,565.44-2,157.78-1,477.96

Finding the Fourth Proportional to 1,565.44, 2,157.78 and 1,477.96

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Solution

The fourth proportional to 1,565.44, 2,157.78 and 1,477.96 is: 2,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.44 : 2,157.78 = 1,477.96 : x
  2. Step 2: Convert to fraction form
    1,565.44/2,157.78 = 1,477.96/x
  3. Step 3: Cross multiply
    1,565.44x = 2,157.78 × 1,477.96
  4. Step 4: Simplify right side
    1,565.44x = 3,189,112.53
  5. Step 5: Solve for x
    x = 3,189,112.53/1,565.44
  6. Step 6: Final answer
    x = 2,037.20

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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.