Home / 3,090.98-4,636.41-750.95

Finding the Fourth Proportional to 3,090.98, 4,636.41 and 750.95

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Solution

The fourth proportional to 3,090.98, 4,636.41 and 750.95 is: 1,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.98 : 4,636.41 = 750.95 : x
  2. Step 2: Convert to fraction form
    3,090.98/4,636.41 = 750.95/x
  3. Step 3: Cross multiply
    3,090.98x = 4,636.41 × 750.95
  4. Step 4: Simplify right side
    3,090.98x = 3,481,688.91
  5. Step 5: Solve for x
    x = 3,481,688.91/3,090.98
  6. Step 6: Final answer
    x = 1,126.40

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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.