Home / 3,486.80-5,225.30-1,927.52

Finding the Fourth Proportional to 3,486.80, 5,225.30 and 1,927.52

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Solution

The fourth proportional to 3,486.80, 5,225.30 and 1,927.52 is: 2,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.80 : 5,225.30 = 1,927.52 : x
  2. Step 2: Convert to fraction form
    3,486.80/5,225.30 = 1,927.52/x
  3. Step 3: Cross multiply
    3,486.80x = 5,225.30 × 1,927.52
  4. Step 4: Simplify right side
    3,486.80x = 10,071,870.26
  5. Step 5: Solve for x
    x = 10,071,870.26/3,486.80
  6. Step 6: Final answer
    x = 2,888.57

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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.