Home / 3,313.04-4,971.64-1,581.68

Finding the Fourth Proportional to 3,313.04, 4,971.64 and 1,581.68

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Solution

The fourth proportional to 3,313.04, 4,971.64 and 1,581.68 is: 2,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.04 : 4,971.64 = 1,581.68 : x
  2. Step 2: Convert to fraction form
    3,313.04/4,971.64 = 1,581.68/x
  3. Step 3: Cross multiply
    3,313.04x = 4,971.64 × 1,581.68
  4. Step 4: Simplify right side
    3,313.04x = 7,863,543.56
  5. Step 5: Solve for x
    x = 7,863,543.56/3,313.04
  6. Step 6: Final answer
    x = 2,373.51

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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.