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Finding the Fourth Proportional to 2,905.44, 4,358.08 and 714.08

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Solution

The fourth proportional to 2,905.44, 4,358.08 and 714.08 is: 1,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.44 : 4,358.08 = 714.08 : x
  2. Step 2: Convert to fraction form
    2,905.44/4,358.08 = 714.08/x
  3. Step 3: Cross multiply
    2,905.44x = 4,358.08 × 714.08
  4. Step 4: Simplify right side
    2,905.44x = 3,112,017.77
  5. Step 5: Solve for x
    x = 3,112,017.77/2,905.44
  6. Step 6: Final answer
    x = 1,071.10

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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.