Home / 1,931.25-2,895.24-1,313.22

Finding the Fourth Proportional to 1,931.25, 2,895.24 and 1,313.22

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Solution

The fourth proportional to 1,931.25, 2,895.24 and 1,313.22 is: 1,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.25 : 2,895.24 = 1,313.22 : x
  2. Step 2: Convert to fraction form
    1,931.25/2,895.24 = 1,313.22/x
  3. Step 3: Cross multiply
    1,931.25x = 2,895.24 × 1,313.22
  4. Step 4: Simplify right side
    1,931.25x = 3,802,087.07
  5. Step 5: Solve for x
    x = 3,802,087.07/1,931.25
  6. Step 6: Final answer
    x = 1,968.72

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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.