Home / 2,102.04-3,148.95-1,545.72

Finding the Fourth Proportional to 2,102.04, 3,148.95 and 1,545.72

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Solution

The fourth proportional to 2,102.04, 3,148.95 and 1,545.72 is: 2,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.04 : 3,148.95 = 1,545.72 : x
  2. Step 2: Convert to fraction form
    2,102.04/3,148.95 = 1,545.72/x
  3. Step 3: Cross multiply
    2,102.04x = 3,148.95 × 1,545.72
  4. Step 4: Simplify right side
    2,102.04x = 4,867,394.99
  5. Step 5: Solve for x
    x = 4,867,394.99/2,102.04
  6. Step 6: Final answer
    x = 2,315.56

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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.