Home / 3,330.71-4,998.29-1,382.91

Finding the Fourth Proportional to 3,330.71, 4,998.29 and 1,382.91

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Solution

The fourth proportional to 3,330.71, 4,998.29 and 1,382.91 is: 2,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.71 : 4,998.29 = 1,382.91 : x
  2. Step 2: Convert to fraction form
    3,330.71/4,998.29 = 1,382.91/x
  3. Step 3: Cross multiply
    3,330.71x = 4,998.29 × 1,382.91
  4. Step 4: Simplify right side
    3,330.71x = 6,912,153.32
  5. Step 5: Solve for x
    x = 6,912,153.32/3,330.71
  6. Step 6: Final answer
    x = 2,075.28

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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.