Home / 3,647.59-5,035.30-2,838.21

Finding the Fourth Proportional to 3,647.59, 5,035.30 and 2,838.21

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Solution

The fourth proportional to 3,647.59, 5,035.30 and 2,838.21 is: 3,917.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.59 : 5,035.30 = 2,838.21 : x
  2. Step 2: Convert to fraction form
    3,647.59/5,035.30 = 2,838.21/x
  3. Step 3: Cross multiply
    3,647.59x = 5,035.30 × 2,838.21
  4. Step 4: Simplify right side
    3,647.59x = 14,291,238.81
  5. Step 5: Solve for x
    x = 14,291,238.81/3,647.59
  6. Step 6: Final answer
    x = 3,917.99

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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.