Home / 3,421.36-5,132.84-1,473.76

Finding the Fourth Proportional to 3,421.36, 5,132.84 and 1,473.76

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Solution

The fourth proportional to 3,421.36, 5,132.84 and 1,473.76 is: 2,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.36 : 5,132.84 = 1,473.76 : x
  2. Step 2: Convert to fraction form
    3,421.36/5,132.84 = 1,473.76/x
  3. Step 3: Cross multiply
    3,421.36x = 5,132.84 × 1,473.76
  4. Step 4: Simplify right side
    3,421.36x = 7,564,574.28
  5. Step 5: Solve for x
    x = 7,564,574.28/3,421.36
  6. Step 6: Final answer
    x = 2,210.98

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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.