Home / 3,665.13-5,497.80-1,325.35

Finding the Fourth Proportional to 3,665.13, 5,497.80 and 1,325.35

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Solution

The fourth proportional to 3,665.13, 5,497.80 and 1,325.35 is: 1,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.13 : 5,497.80 = 1,325.35 : x
  2. Step 2: Convert to fraction form
    3,665.13/5,497.80 = 1,325.35/x
  3. Step 3: Cross multiply
    3,665.13x = 5,497.80 × 1,325.35
  4. Step 4: Simplify right side
    3,665.13x = 7,286,509.23
  5. Step 5: Solve for x
    x = 7,286,509.23/3,665.13
  6. Step 6: Final answer
    x = 1,988.06

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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.