Home / 3,330.95-4,998.63-1,383.16

Finding the Fourth Proportional to 3,330.95, 4,998.63 and 1,383.16

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Solution

The fourth proportional to 3,330.95, 4,998.63 and 1,383.16 is: 2,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.95 : 4,998.63 = 1,383.16 : x
  2. Step 2: Convert to fraction form
    3,330.95/4,998.63 = 1,383.16/x
  3. Step 3: Cross multiply
    3,330.95x = 4,998.63 × 1,383.16
  4. Step 4: Simplify right side
    3,330.95x = 6,913,880.08
  5. Step 5: Solve for x
    x = 6,913,880.08/3,330.95
  6. Step 6: Final answer
    x = 2,075.65

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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.