Home / 3,504.14-5,256.31-1,312.45

Finding the Fourth Proportional to 3,504.14, 5,256.31 and 1,312.45

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Solution

The fourth proportional to 3,504.14, 5,256.31 and 1,312.45 is: 1,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.14 : 5,256.31 = 1,312.45 : x
  2. Step 2: Convert to fraction form
    3,504.14/5,256.31 = 1,312.45/x
  3. Step 3: Cross multiply
    3,504.14x = 5,256.31 × 1,312.45
  4. Step 4: Simplify right side
    3,504.14x = 6,898,617.78
  5. Step 5: Solve for x
    x = 6,898,617.78/3,504.14
  6. Step 6: Final answer
    x = 1,968.71

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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.