Home / 4,145.36-5,720.15-2,376.92

Finding the Fourth Proportional to 4,145.36, 5,720.15 and 2,376.92

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Solution

The fourth proportional to 4,145.36, 5,720.15 and 2,376.92 is: 3,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.36 : 5,720.15 = 2,376.92 : x
  2. Step 2: Convert to fraction form
    4,145.36/5,720.15 = 2,376.92/x
  3. Step 3: Cross multiply
    4,145.36x = 5,720.15 × 2,376.92
  4. Step 4: Simplify right side
    4,145.36x = 13,596,327.05
  5. Step 5: Solve for x
    x = 13,596,327.05/4,145.36
  6. Step 6: Final answer
    x = 3,279.89

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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.