Home / 2,135.46-3,214.52-1,523.40

Finding the Fourth Proportional to 2,135.46, 3,214.52 and 1,523.40

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Solution

The fourth proportional to 2,135.46, 3,214.52 and 1,523.40 is: 2,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.46 : 3,214.52 = 1,523.40 : x
  2. Step 2: Convert to fraction form
    2,135.46/3,214.52 = 1,523.40/x
  3. Step 3: Cross multiply
    2,135.46x = 3,214.52 × 1,523.40
  4. Step 4: Simplify right side
    2,135.46x = 4,896,999.77
  5. Step 5: Solve for x
    x = 4,896,999.77/2,135.46
  6. Step 6: Final answer
    x = 2,293.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.