Home / 2,325.11-3,208.64-1,277.15

Finding the Fourth Proportional to 2,325.11, 3,208.64 and 1,277.15

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Solution

The fourth proportional to 2,325.11, 3,208.64 and 1,277.15 is: 1,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.11 : 3,208.64 = 1,277.15 : x
  2. Step 2: Convert to fraction form
    2,325.11/3,208.64 = 1,277.15/x
  3. Step 3: Cross multiply
    2,325.11x = 3,208.64 × 1,277.15
  4. Step 4: Simplify right side
    2,325.11x = 4,097,892.15
  5. Step 5: Solve for x
    x = 4,097,892.15/2,325.11
  6. Step 6: Final answer
    x = 1,762.45

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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.