Home / 3,503.32-5,255.90-1,312.08

Finding the Fourth Proportional to 3,503.32, 5,255.90 and 1,312.08

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Solution

The fourth proportional to 3,503.32, 5,255.90 and 1,312.08 is: 1,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.32 : 5,255.90 = 1,312.08 : x
  2. Step 2: Convert to fraction form
    3,503.32/5,255.90 = 1,312.08/x
  3. Step 3: Cross multiply
    3,503.32x = 5,255.90 × 1,312.08
  4. Step 4: Simplify right side
    3,503.32x = 6,896,161.27
  5. Step 5: Solve for x
    x = 6,896,161.27/3,503.32
  6. Step 6: Final answer
    x = 1,968.46

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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.