Home / 4,090.10-6,130.35-2,141.30

Finding the Fourth Proportional to 4,090.10, 6,130.35 and 2,141.30

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Solution

The fourth proportional to 4,090.10, 6,130.35 and 2,141.30 is: 3,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.10 : 6,130.35 = 2,141.30 : x
  2. Step 2: Convert to fraction form
    4,090.10/6,130.35 = 2,141.30/x
  3. Step 3: Cross multiply
    4,090.10x = 6,130.35 × 2,141.30
  4. Step 4: Simplify right side
    4,090.10x = 13,126,918.46
  5. Step 5: Solve for x
    x = 13,126,918.46/4,090.10
  6. Step 6: Final answer
    x = 3,209.44

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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.