Home / 3,416.88-5,130.18-3,260.28

Finding the Fourth Proportional to 3,416.88, 5,130.18 and 3,260.28

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Solution

The fourth proportional to 3,416.88, 5,130.18 and 3,260.28 is: 4,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.88 : 5,130.18 = 3,260.28 : x
  2. Step 2: Convert to fraction form
    3,416.88/5,130.18 = 3,260.28/x
  3. Step 3: Cross multiply
    3,416.88x = 5,130.18 × 3,260.28
  4. Step 4: Simplify right side
    3,416.88x = 16,725,823.25
  5. Step 5: Solve for x
    x = 16,725,823.25/3,416.88
  6. Step 6: Final answer
    x = 4,895.06

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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.