Home / 3,132.55-4,313.08-2,659.51

Finding the Fourth Proportional to 3,132.55, 4,313.08 and 2,659.51

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Solution

The fourth proportional to 3,132.55, 4,313.08 and 2,659.51 is: 3,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.55 : 4,313.08 = 2,659.51 : x
  2. Step 2: Convert to fraction form
    3,132.55/4,313.08 = 2,659.51/x
  3. Step 3: Cross multiply
    3,132.55x = 4,313.08 × 2,659.51
  4. Step 4: Simplify right side
    3,132.55x = 11,470,679.39
  5. Step 5: Solve for x
    x = 11,470,679.39/3,132.55
  6. Step 6: Final answer
    x = 3,661.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.