Home / 3,576.74-4,931.30-2,315.56

Finding the Fourth Proportional to 3,576.74, 4,931.30 and 2,315.56

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Solution

The fourth proportional to 3,576.74, 4,931.30 and 2,315.56 is: 3,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.74 : 4,931.30 = 2,315.56 : x
  2. Step 2: Convert to fraction form
    3,576.74/4,931.30 = 2,315.56/x
  3. Step 3: Cross multiply
    3,576.74x = 4,931.30 × 2,315.56
  4. Step 4: Simplify right side
    3,576.74x = 11,418,721.03
  5. Step 5: Solve for x
    x = 11,418,721.03/3,576.74
  6. Step 6: Final answer
    x = 3,192.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.