Home / 2,965.64-4,080.76-2,875.46

Finding the Fourth Proportional to 2,965.64, 4,080.76 and 2,875.46

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Solution

The fourth proportional to 2,965.64, 4,080.76 and 2,875.46 is: 3,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.64 : 4,080.76 = 2,875.46 : x
  2. Step 2: Convert to fraction form
    2,965.64/4,080.76 = 2,875.46/x
  3. Step 3: Cross multiply
    2,965.64x = 4,080.76 × 2,875.46
  4. Step 4: Simplify right side
    2,965.64x = 11,734,062.15
  5. Step 5: Solve for x
    x = 11,734,062.15/2,965.64
  6. Step 6: Final answer
    x = 3,956.67

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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.