Home / 3,576.30-4,932.87-2,913.18

Finding the Fourth Proportional to 3,576.30, 4,932.87 and 2,913.18

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Solution

The fourth proportional to 3,576.30, 4,932.87 and 2,913.18 is: 4,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.30 : 4,932.87 = 2,913.18 : x
  2. Step 2: Convert to fraction form
    3,576.30/4,932.87 = 2,913.18/x
  3. Step 3: Cross multiply
    3,576.30x = 4,932.87 × 2,913.18
  4. Step 4: Simplify right side
    3,576.30x = 14,370,338.23
  5. Step 5: Solve for x
    x = 14,370,338.23/3,576.30
  6. Step 6: Final answer
    x = 4,018.21

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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.