Home / 3,186.93-4,747.53-3,090.21

Finding the Fourth Proportional to 3,186.93, 4,747.53 and 3,090.21

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Solution

The fourth proportional to 3,186.93, 4,747.53 and 3,090.21 is: 4,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.93 : 4,747.53 = 3,090.21 : x
  2. Step 2: Convert to fraction form
    3,186.93/4,747.53 = 3,090.21/x
  3. Step 3: Cross multiply
    3,186.93x = 4,747.53 × 3,090.21
  4. Step 4: Simplify right side
    3,186.93x = 14,670,864.68
  5. Step 5: Solve for x
    x = 14,670,864.68/3,186.93
  6. Step 6: Final answer
    x = 4,603.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.