Home / 3,972.08-5,953.67-1,890.38

Finding the Fourth Proportional to 3,972.08, 5,953.67 and 1,890.38

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Solution

The fourth proportional to 3,972.08, 5,953.67 and 1,890.38 is: 2,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.08 : 5,953.67 = 1,890.38 : x
  2. Step 2: Convert to fraction form
    3,972.08/5,953.67 = 1,890.38/x
  3. Step 3: Cross multiply
    3,972.08x = 5,953.67 × 1,890.38
  4. Step 4: Simplify right side
    3,972.08x = 11,254,689.24
  5. Step 5: Solve for x
    x = 11,254,689.24/3,972.08
  6. Step 6: Final answer
    x = 2,833.45

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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.