Home / 3,675.24-5,513.40-1,210.32

Finding the Fourth Proportional to 3,675.24, 5,513.40 and 1,210.32

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Solution

The fourth proportional to 3,675.24, 5,513.40 and 1,210.32 is: 1,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.24 : 5,513.40 = 1,210.32 : x
  2. Step 2: Convert to fraction form
    3,675.24/5,513.40 = 1,210.32/x
  3. Step 3: Cross multiply
    3,675.24x = 5,513.40 × 1,210.32
  4. Step 4: Simplify right side
    3,675.24x = 6,672,978.29
  5. Step 5: Solve for x
    x = 6,672,978.29/3,675.24
  6. Step 6: Final answer
    x = 1,815.66

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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.