Home / 2,795.61-3,858.32-1,616.76

Finding the Fourth Proportional to 2,795.61, 3,858.32 and 1,616.76

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Solution

The fourth proportional to 2,795.61, 3,858.32 and 1,616.76 is: 2,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.61 : 3,858.32 = 1,616.76 : x
  2. Step 2: Convert to fraction form
    2,795.61/3,858.32 = 1,616.76/x
  3. Step 3: Cross multiply
    2,795.61x = 3,858.32 × 1,616.76
  4. Step 4: Simplify right side
    2,795.61x = 6,237,950.07
  5. Step 5: Solve for x
    x = 6,237,950.07/2,795.61
  6. Step 6: Final answer
    x = 2,231.34

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1.5x scale

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.