Home / 3,504.26-5,253.96-1,312.40

Finding the Fourth Proportional to 3,504.26, 5,253.96 and 1,312.40

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Solution

The fourth proportional to 3,504.26, 5,253.96 and 1,312.40 is: 1,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.26 : 5,253.96 = 1,312.40 : x
  2. Step 2: Convert to fraction form
    3,504.26/5,253.96 = 1,312.40/x
  3. Step 3: Cross multiply
    3,504.26x = 5,253.96 × 1,312.40
  4. Step 4: Simplify right side
    3,504.26x = 6,895,315.16
  5. Step 5: Solve for x
    x = 6,895,315.16/3,504.26
  6. Step 6: Final answer
    x = 1,967.69

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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.