Home / 3,810.67-5,259.29-2,318.30

Finding the Fourth Proportional to 3,810.67, 5,259.29 and 2,318.30

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Solution

The fourth proportional to 3,810.67, 5,259.29 and 2,318.30 is: 3,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.67 : 5,259.29 = 2,318.30 : x
  2. Step 2: Convert to fraction form
    3,810.67/5,259.29 = 2,318.30/x
  3. Step 3: Cross multiply
    3,810.67x = 5,259.29 × 2,318.30
  4. Step 4: Simplify right side
    3,810.67x = 12,192,612.01
  5. Step 5: Solve for x
    x = 12,192,612.01/3,810.67
  6. Step 6: Final answer
    x = 3,199.60

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1.5x scale

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.