Home / 2,972.64-4,460.88-1,436.64

Finding the Fourth Proportional to 2,972.64, 4,460.88 and 1,436.64

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Solution

The fourth proportional to 2,972.64, 4,460.88 and 1,436.64 is: 2,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.64 : 4,460.88 = 1,436.64 : x
  2. Step 2: Convert to fraction form
    2,972.64/4,460.88 = 1,436.64/x
  3. Step 3: Cross multiply
    2,972.64x = 4,460.88 × 1,436.64
  4. Step 4: Simplify right side
    2,972.64x = 6,408,678.64
  5. Step 5: Solve for x
    x = 6,408,678.64/2,972.64
  6. Step 6: Final answer
    x = 2,155.89

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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.