Home / 3,262.32-4,889.28-1,313.40

Finding the Fourth Proportional to 3,262.32, 4,889.28 and 1,313.40

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Solution

The fourth proportional to 3,262.32, 4,889.28 and 1,313.40 is: 1,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.32 : 4,889.28 = 1,313.40 : x
  2. Step 2: Convert to fraction form
    3,262.32/4,889.28 = 1,313.40/x
  3. Step 3: Cross multiply
    3,262.32x = 4,889.28 × 1,313.40
  4. Step 4: Simplify right side
    3,262.32x = 6,421,580.35
  5. Step 5: Solve for x
    x = 6,421,580.35/3,262.32
  6. Step 6: Final answer
    x = 1,968.41

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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.