Home / 3,943.45-5,907.13-2,457.81

Finding the Fourth Proportional to 3,943.45, 5,907.13 and 2,457.81

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Solution

The fourth proportional to 3,943.45, 5,907.13 and 2,457.81 is: 3,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.45 : 5,907.13 = 2,457.81 : x
  2. Step 2: Convert to fraction form
    3,943.45/5,907.13 = 2,457.81/x
  3. Step 3: Cross multiply
    3,943.45x = 5,907.13 × 2,457.81
  4. Step 4: Simplify right side
    3,943.45x = 14,518,597.04
  5. Step 5: Solve for x
    x = 14,518,597.04/3,943.45
  6. Step 6: Final answer
    x = 3,681.70

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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.