Home / 2,955.66-4,431.62-1,265.10

Finding the Fourth Proportional to 2,955.66, 4,431.62 and 1,265.10

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Solution

The fourth proportional to 2,955.66, 4,431.62 and 1,265.10 is: 1,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.66 : 4,431.62 = 1,265.10 : x
  2. Step 2: Convert to fraction form
    2,955.66/4,431.62 = 1,265.10/x
  3. Step 3: Cross multiply
    2,955.66x = 4,431.62 × 1,265.10
  4. Step 4: Simplify right side
    2,955.66x = 5,606,442.46
  5. Step 5: Solve for x
    x = 5,606,442.46/2,955.66
  6. Step 6: Final answer
    x = 1,896.85

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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.