Home / 3,715.36-5,126.16-2,926.96

Finding the Fourth Proportional to 3,715.36, 5,126.16 and 2,926.96

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Solution

The fourth proportional to 3,715.36, 5,126.16 and 2,926.96 is: 4,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.36 : 5,126.16 = 2,926.96 : x
  2. Step 2: Convert to fraction form
    3,715.36/5,126.16 = 2,926.96/x
  3. Step 3: Cross multiply
    3,715.36x = 5,126.16 × 2,926.96
  4. Step 4: Simplify right side
    3,715.36x = 15,004,065.27
  5. Step 5: Solve for x
    x = 15,004,065.27/3,715.36
  6. Step 6: Final answer
    x = 4,038.39

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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.