Home / 3,859.32-5,788.98-2,710.20

Finding the Fourth Proportional to 3,859.32, 5,788.98 and 2,710.20

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Solution

The fourth proportional to 3,859.32, 5,788.98 and 2,710.20 is: 4,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.32 : 5,788.98 = 2,710.20 : x
  2. Step 2: Convert to fraction form
    3,859.32/5,788.98 = 2,710.20/x
  3. Step 3: Cross multiply
    3,859.32x = 5,788.98 × 2,710.20
  4. Step 4: Simplify right side
    3,859.32x = 15,689,293.60
  5. Step 5: Solve for x
    x = 15,689,293.60/3,859.32
  6. Step 6: Final answer
    x = 4,065.30

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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.