Home / 1,610.01-2,221.27-1,020.46

Finding the Fourth Proportional to 1,610.01, 2,221.27 and 1,020.46

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Solution

The fourth proportional to 1,610.01, 2,221.27 and 1,020.46 is: 1,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.01 : 2,221.27 = 1,020.46 : x
  2. Step 2: Convert to fraction form
    1,610.01/2,221.27 = 1,020.46/x
  3. Step 3: Cross multiply
    1,610.01x = 2,221.27 × 1,020.46
  4. Step 4: Simplify right side
    1,610.01x = 2,266,717.18
  5. Step 5: Solve for x
    x = 2,266,717.18/1,610.01
  6. Step 6: Final answer
    x = 1,407.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.