Home / 3,504.42-5,258.86-1,312.96

Finding the Fourth Proportional to 3,504.42, 5,258.86 and 1,312.96

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Solution

The fourth proportional to 3,504.42, 5,258.86 and 1,312.96 is: 1,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.42 : 5,258.86 = 1,312.96 : x
  2. Step 2: Convert to fraction form
    3,504.42/5,258.86 = 1,312.96/x
  3. Step 3: Cross multiply
    3,504.42x = 5,258.86 × 1,312.96
  4. Step 4: Simplify right side
    3,504.42x = 6,904,672.83
  5. Step 5: Solve for x
    x = 6,904,672.83/3,504.42
  6. Step 6: Final answer
    x = 1,970.28

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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.