Home / 2,068.64-3,103.08-607.76

Finding the Fourth Proportional to 2,068.64, 3,103.08 and 607.76

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Solution

The fourth proportional to 2,068.64, 3,103.08 and 607.76 is: 911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.64 : 3,103.08 = 607.76 : x
  2. Step 2: Convert to fraction form
    2,068.64/3,103.08 = 607.76/x
  3. Step 3: Cross multiply
    2,068.64x = 3,103.08 × 607.76
  4. Step 4: Simplify right side
    2,068.64x = 1,885,927.90
  5. Step 5: Solve for x
    x = 1,885,927.90/2,068.64
  6. Step 6: Final answer
    x = 911.68

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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.