Home / 3,090.34-4,631.46-2,677.78

Finding the Fourth Proportional to 3,090.34, 4,631.46 and 2,677.78

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Solution

The fourth proportional to 3,090.34, 4,631.46 and 2,677.78 is: 4,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.34 : 4,631.46 = 2,677.78 : x
  2. Step 2: Convert to fraction form
    3,090.34/4,631.46 = 2,677.78/x
  3. Step 3: Cross multiply
    3,090.34x = 4,631.46 × 2,677.78
  4. Step 4: Simplify right side
    3,090.34x = 12,402,030.96
  5. Step 5: Solve for x
    x = 12,402,030.96/3,090.34
  6. Step 6: Final answer
    x = 4,013.16

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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.