Home / 3,256.91-4,495.10-1,931.07

Finding the Fourth Proportional to 3,256.91, 4,495.10 and 1,931.07

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Solution

The fourth proportional to 3,256.91, 4,495.10 and 1,931.07 is: 2,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.91 : 4,495.10 = 1,931.07 : x
  2. Step 2: Convert to fraction form
    3,256.91/4,495.10 = 1,931.07/x
  3. Step 3: Cross multiply
    3,256.91x = 4,495.10 × 1,931.07
  4. Step 4: Simplify right side
    3,256.91x = 8,680,343.10
  5. Step 5: Solve for x
    x = 8,680,343.10/3,256.91
  6. Step 6: Final answer
    x = 2,665.21

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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.