Home / 3,006.30-4,509.47-1,972.85

Finding the Fourth Proportional to 3,006.30, 4,509.47 and 1,972.85

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Solution

The fourth proportional to 3,006.30, 4,509.47 and 1,972.85 is: 2,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.30 : 4,509.47 = 1,972.85 : x
  2. Step 2: Convert to fraction form
    3,006.30/4,509.47 = 1,972.85/x
  3. Step 3: Cross multiply
    3,006.30x = 4,509.47 × 1,972.85
  4. Step 4: Simplify right side
    3,006.30x = 8,896,475.48
  5. Step 5: Solve for x
    x = 8,896,475.48/3,006.30
  6. Step 6: Final answer
    x = 2,959.28

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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.