Home / 3,646.18-5,021.29-3,471.22

Finding the Fourth Proportional to 3,646.18, 5,021.29 and 3,471.22

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Solution

The fourth proportional to 3,646.18, 5,021.29 and 3,471.22 is: 4,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.18 : 5,021.29 = 3,471.22 : x
  2. Step 2: Convert to fraction form
    3,646.18/5,021.29 = 3,471.22/x
  3. Step 3: Cross multiply
    3,646.18x = 5,021.29 × 3,471.22
  4. Step 4: Simplify right side
    3,646.18x = 17,430,012.89
  5. Step 5: Solve for x
    x = 17,430,012.89/3,646.18
  6. Step 6: Final answer
    x = 4,780.35

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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.