Home / 3,438.04-5,157.94-1,590.48

Finding the Fourth Proportional to 3,438.04, 5,157.94 and 1,590.48

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Solution

The fourth proportional to 3,438.04, 5,157.94 and 1,590.48 is: 2,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.04 : 5,157.94 = 1,590.48 : x
  2. Step 2: Convert to fraction form
    3,438.04/5,157.94 = 1,590.48/x
  3. Step 3: Cross multiply
    3,438.04x = 5,157.94 × 1,590.48
  4. Step 4: Simplify right side
    3,438.04x = 8,203,600.41
  5. Step 5: Solve for x
    x = 8,203,600.41/3,438.04
  6. Step 6: Final answer
    x = 2,386.13

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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.