Home / 3,851.64-5,315.76-2,359.32

Finding the Fourth Proportional to 3,851.64, 5,315.76 and 2,359.32

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Solution

The fourth proportional to 3,851.64, 5,315.76 and 2,359.32 is: 3,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.64 : 5,315.76 = 2,359.32 : x
  2. Step 2: Convert to fraction form
    3,851.64/5,315.76 = 2,359.32/x
  3. Step 3: Cross multiply
    3,851.64x = 5,315.76 × 2,359.32
  4. Step 4: Simplify right side
    3,851.64x = 12,541,578.88
  5. Step 5: Solve for x
    x = 12,541,578.88/3,851.64
  6. Step 6: Final answer
    x = 3,256.17

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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.