Home / 3,931.37-5,895.53-1,590.77

Finding the Fourth Proportional to 3,931.37, 5,895.53 and 1,590.77

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Solution

The fourth proportional to 3,931.37, 5,895.53 and 1,590.77 is: 2,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.37 : 5,895.53 = 1,590.77 : x
  2. Step 2: Convert to fraction form
    3,931.37/5,895.53 = 1,590.77/x
  3. Step 3: Cross multiply
    3,931.37x = 5,895.53 × 1,590.77
  4. Step 4: Simplify right side
    3,931.37x = 9,378,439.04
  5. Step 5: Solve for x
    x = 9,378,439.04/3,931.37
  6. Step 6: Final answer
    x = 2,385.54

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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.