Home / 3,146.62-4,721.70-2,898.76

Finding the Fourth Proportional to 3,146.62, 4,721.70 and 2,898.76

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Solution

The fourth proportional to 3,146.62, 4,721.70 and 2,898.76 is: 4,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.62 : 4,721.70 = 2,898.76 : x
  2. Step 2: Convert to fraction form
    3,146.62/4,721.70 = 2,898.76/x
  3. Step 3: Cross multiply
    3,146.62x = 4,721.70 × 2,898.76
  4. Step 4: Simplify right side
    3,146.62x = 13,687,075.09
  5. Step 5: Solve for x
    x = 13,687,075.09/3,146.62
  6. Step 6: Final answer
    x = 4,349.77

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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.