Home / 3,090.80-4,637.04-1,010.88

Finding the Fourth Proportional to 3,090.80, 4,637.04 and 1,010.88

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Solution

The fourth proportional to 3,090.80, 4,637.04 and 1,010.88 is: 1,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.80 : 4,637.04 = 1,010.88 : x
  2. Step 2: Convert to fraction form
    3,090.80/4,637.04 = 1,010.88/x
  3. Step 3: Cross multiply
    3,090.80x = 4,637.04 × 1,010.88
  4. Step 4: Simplify right side
    3,090.80x = 4,687,491.00
  5. Step 5: Solve for x
    x = 4,687,491.00/3,090.80
  6. Step 6: Final answer
    x = 1,516.59

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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.