Home / 3,905.12-5,857.72-1,595.04

Finding the Fourth Proportional to 3,905.12, 5,857.72 and 1,595.04

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Solution

The fourth proportional to 3,905.12, 5,857.72 and 1,595.04 is: 2,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.12 : 5,857.72 = 1,595.04 : x
  2. Step 2: Convert to fraction form
    3,905.12/5,857.72 = 1,595.04/x
  3. Step 3: Cross multiply
    3,905.12x = 5,857.72 × 1,595.04
  4. Step 4: Simplify right side
    3,905.12x = 9,343,297.71
  5. Step 5: Solve for x
    x = 9,343,297.71/3,905.12
  6. Step 6: Final answer
    x = 2,392.58

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1.5x scale

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.