Home / 4,121.38-5,688.53-2,354.01

Finding the Fourth Proportional to 4,121.38, 5,688.53 and 2,354.01

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Solution

The fourth proportional to 4,121.38, 5,688.53 and 2,354.01 is: 3,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.38 : 5,688.53 = 2,354.01 : x
  2. Step 2: Convert to fraction form
    4,121.38/5,688.53 = 2,354.01/x
  3. Step 3: Cross multiply
    4,121.38x = 5,688.53 × 2,354.01
  4. Step 4: Simplify right side
    4,121.38x = 13,390,866.80
  5. Step 5: Solve for x
    x = 13,390,866.80/4,121.38
  6. Step 6: Final answer
    x = 3,249.12

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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.