Home / 3,903.40-5,857.37-1,564.52

Finding the Fourth Proportional to 3,903.40, 5,857.37 and 1,564.52

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Solution

The fourth proportional to 3,903.40, 5,857.37 and 1,564.52 is: 2,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.40 : 5,857.37 = 1,564.52 : x
  2. Step 2: Convert to fraction form
    3,903.40/5,857.37 = 1,564.52/x
  3. Step 3: Cross multiply
    3,903.40x = 5,857.37 × 1,564.52
  4. Step 4: Simplify right side
    3,903.40x = 9,163,972.51
  5. Step 5: Solve for x
    x = 9,163,972.51/3,903.40
  6. Step 6: Final answer
    x = 2,347.69

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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.