Home / 3,923.92-5,415.28-2,595.32

Finding the Fourth Proportional to 3,923.92, 5,415.28 and 2,595.32

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Solution

The fourth proportional to 3,923.92, 5,415.28 and 2,595.32 is: 3,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.92 : 5,415.28 = 2,595.32 : x
  2. Step 2: Convert to fraction form
    3,923.92/5,415.28 = 2,595.32/x
  3. Step 3: Cross multiply
    3,923.92x = 5,415.28 × 2,595.32
  4. Step 4: Simplify right side
    3,923.92x = 14,054,384.49
  5. Step 5: Solve for x
    x = 14,054,384.49/3,923.92
  6. Step 6: Final answer
    x = 3,581.72

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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.