Home / 3,325.89-4,988.99-1,245.36

Finding the Fourth Proportional to 3,325.89, 4,988.99 and 1,245.36

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Solution

The fourth proportional to 3,325.89, 4,988.99 and 1,245.36 is: 1,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.89 : 4,988.99 = 1,245.36 : x
  2. Step 2: Convert to fraction form
    3,325.89/4,988.99 = 1,245.36/x
  3. Step 3: Cross multiply
    3,325.89x = 4,988.99 × 1,245.36
  4. Step 4: Simplify right side
    3,325.89x = 6,213,088.59
  5. Step 5: Solve for x
    x = 6,213,088.59/3,325.89
  6. Step 6: Final answer
    x = 1,868.10

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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.