Home / 1,610.01-2,220.48-1,020.33

Finding the Fourth Proportional to 1,610.01, 2,220.48 and 1,020.33

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Solution

The fourth proportional to 1,610.01, 2,220.48 and 1,020.33 is: 1,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.01 : 2,220.48 = 1,020.33 : x
  2. Step 2: Convert to fraction form
    1,610.01/2,220.48 = 1,020.33/x
  3. Step 3: Cross multiply
    1,610.01x = 2,220.48 × 1,020.33
  4. Step 4: Simplify right side
    1,610.01x = 2,265,622.36
  5. Step 5: Solve for x
    x = 2,265,622.36/1,610.01
  6. Step 6: Final answer
    x = 1,407.21

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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.