Home / 3,646.77-5,021.51-3,056.28

Finding the Fourth Proportional to 3,646.77, 5,021.51 and 3,056.28

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Solution

The fourth proportional to 3,646.77, 5,021.51 and 3,056.28 is: 4,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.77 : 5,021.51 = 3,056.28 : x
  2. Step 2: Convert to fraction form
    3,646.77/5,021.51 = 3,056.28/x
  3. Step 3: Cross multiply
    3,646.77x = 5,021.51 × 3,056.28
  4. Step 4: Simplify right side
    3,646.77x = 15,347,125.30
  5. Step 5: Solve for x
    x = 15,347,125.30/3,646.77
  6. Step 6: Final answer
    x = 4,208.42

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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.