Home / 3,396.42-5,090.40-1,547.04

Finding the Fourth Proportional to 3,396.42, 5,090.40 and 1,547.04

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Solution

The fourth proportional to 3,396.42, 5,090.40 and 1,547.04 is: 2,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.42 : 5,090.40 = 1,547.04 : x
  2. Step 2: Convert to fraction form
    3,396.42/5,090.40 = 1,547.04/x
  3. Step 3: Cross multiply
    3,396.42x = 5,090.40 × 1,547.04
  4. Step 4: Simplify right side
    3,396.42x = 7,875,052.42
  5. Step 5: Solve for x
    x = 7,875,052.42/3,396.42
  6. Step 6: Final answer
    x = 2,318.63

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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.