Home / 3,434.36-5,146.80-1,580.84

Finding the Fourth Proportional to 3,434.36, 5,146.80 and 1,580.84

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Solution

The fourth proportional to 3,434.36, 5,146.80 and 1,580.84 is: 2,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.36 : 5,146.80 = 1,580.84 : x
  2. Step 2: Convert to fraction form
    3,434.36/5,146.80 = 1,580.84/x
  3. Step 3: Cross multiply
    3,434.36x = 5,146.80 × 1,580.84
  4. Step 4: Simplify right side
    3,434.36x = 8,136,267.31
  5. Step 5: Solve for x
    x = 8,136,267.31/3,434.36
  6. Step 6: Final answer
    x = 2,369.08

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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.