Home / 3,658.12-5,483.34-1,926.28

Finding the Fourth Proportional to 3,658.12, 5,483.34 and 1,926.28

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Solution

The fourth proportional to 3,658.12, 5,483.34 and 1,926.28 is: 2,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.12 : 5,483.34 = 1,926.28 : x
  2. Step 2: Convert to fraction form
    3,658.12/5,483.34 = 1,926.28/x
  3. Step 3: Cross multiply
    3,658.12x = 5,483.34 × 1,926.28
  4. Step 4: Simplify right side
    3,658.12x = 10,562,448.18
  5. Step 5: Solve for x
    x = 10,562,448.18/3,658.12
  6. Step 6: Final answer
    x = 2,887.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.