Home / 2,461.12-3,396.99-1,399.50

Finding the Fourth Proportional to 2,461.12, 3,396.99 and 1,399.50

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Solution

The fourth proportional to 2,461.12, 3,396.99 and 1,399.50 is: 1,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.12 : 3,396.99 = 1,399.50 : x
  2. Step 2: Convert to fraction form
    2,461.12/3,396.99 = 1,399.50/x
  3. Step 3: Cross multiply
    2,461.12x = 3,396.99 × 1,399.50
  4. Step 4: Simplify right side
    2,461.12x = 4,754,094.43
  5. Step 5: Solve for x
    x = 4,754,094.43/2,461.12
  6. Step 6: Final answer
    x = 1,931.68

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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.