Home / 3,345.03-5,015.72-1,395.77

Finding the Fourth Proportional to 3,345.03, 5,015.72 and 1,395.77

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Solution

The fourth proportional to 3,345.03, 5,015.72 and 1,395.77 is: 2,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.03 : 5,015.72 = 1,395.77 : x
  2. Step 2: Convert to fraction form
    3,345.03/5,015.72 = 1,395.77/x
  3. Step 3: Cross multiply
    3,345.03x = 5,015.72 × 1,395.77
  4. Step 4: Simplify right side
    3,345.03x = 7,000,769.92
  5. Step 5: Solve for x
    x = 7,000,769.92/3,345.03
  6. Step 6: Final answer
    x = 2,092.89

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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.