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Finding the Fourth Proportional to 3,510.99, 5,261.49 and 2,399.40

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Solution

The fourth proportional to 3,510.99, 5,261.49 and 2,399.40 is: 3,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.99 : 5,261.49 = 2,399.40 : x
  2. Step 2: Convert to fraction form
    3,510.99/5,261.49 = 2,399.40/x
  3. Step 3: Cross multiply
    3,510.99x = 5,261.49 × 2,399.40
  4. Step 4: Simplify right side
    3,510.99x = 12,624,419.11
  5. Step 5: Solve for x
    x = 12,624,419.11/3,510.99
  6. Step 6: Final answer
    x = 3,595.69

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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.