Home / 3,931.34-5,889.21-2,371.76

Finding the Fourth Proportional to 3,931.34, 5,889.21 and 2,371.76

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Solution

The fourth proportional to 3,931.34, 5,889.21 and 2,371.76 is: 3,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.34 : 5,889.21 = 2,371.76 : x
  2. Step 2: Convert to fraction form
    3,931.34/5,889.21 = 2,371.76/x
  3. Step 3: Cross multiply
    3,931.34x = 5,889.21 × 2,371.76
  4. Step 4: Simplify right side
    3,931.34x = 13,967,792.71
  5. Step 5: Solve for x
    x = 13,967,792.71/3,931.34
  6. Step 6: Final answer
    x = 3,552.93

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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.