Home / 3,666.52-5,497.80-1,326.16

Finding the Fourth Proportional to 3,666.52, 5,497.80 and 1,326.16

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Solution

The fourth proportional to 3,666.52, 5,497.80 and 1,326.16 is: 1,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.52 : 5,497.80 = 1,326.16 : x
  2. Step 2: Convert to fraction form
    3,666.52/5,497.80 = 1,326.16/x
  3. Step 3: Cross multiply
    3,666.52x = 5,497.80 × 1,326.16
  4. Step 4: Simplify right side
    3,666.52x = 7,290,962.45
  5. Step 5: Solve for x
    x = 7,290,962.45/3,666.52
  6. Step 6: Final answer
    x = 1,988.52

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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.