Home / 3,666.48-5,059.74-3,387.42

Finding the Fourth Proportional to 3,666.48, 5,059.74 and 3,387.42

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Solution

The fourth proportional to 3,666.48, 5,059.74 and 3,387.42 is: 4,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.48 : 5,059.74 = 3,387.42 : x
  2. Step 2: Convert to fraction form
    3,666.48/5,059.74 = 3,387.42/x
  3. Step 3: Cross multiply
    3,666.48x = 5,059.74 × 3,387.42
  4. Step 4: Simplify right side
    3,666.48x = 17,139,464.47
  5. Step 5: Solve for x
    x = 17,139,464.47/3,666.48
  6. Step 6: Final answer
    x = 4,674.64

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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.