Home / 2,068.19-3,102.79-607.35

Finding the Fourth Proportional to 2,068.19, 3,102.79 and 607.35

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Solution

The fourth proportional to 2,068.19, 3,102.79 and 607.35 is: 911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.19 : 3,102.79 = 607.35 : x
  2. Step 2: Convert to fraction form
    2,068.19/3,102.79 = 607.35/x
  3. Step 3: Cross multiply
    2,068.19x = 3,102.79 × 607.35
  4. Step 4: Simplify right side
    2,068.19x = 1,884,479.51
  5. Step 5: Solve for x
    x = 1,884,479.51/2,068.19
  6. Step 6: Final answer
    x = 911.17

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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.