Home / 2,775.16-4,162.58-1,559.16

Finding the Fourth Proportional to 2,775.16, 4,162.58 and 1,559.16

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Solution

The fourth proportional to 2,775.16, 4,162.58 and 1,559.16 is: 2,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.16 : 4,162.58 = 1,559.16 : x
  2. Step 2: Convert to fraction form
    2,775.16/4,162.58 = 1,559.16/x
  3. Step 3: Cross multiply
    2,775.16x = 4,162.58 × 1,559.16
  4. Step 4: Simplify right side
    2,775.16x = 6,490,128.23
  5. Step 5: Solve for x
    x = 6,490,128.23/2,775.16
  6. Step 6: Final answer
    x = 2,338.65

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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.