Home / 1,600.40-2,206.36-1,010.64

Finding the Fourth Proportional to 1,600.40, 2,206.36 and 1,010.64

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Solution

The fourth proportional to 1,600.40, 2,206.36 and 1,010.64 is: 1,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.40 : 2,206.36 = 1,010.64 : x
  2. Step 2: Convert to fraction form
    1,600.40/2,206.36 = 1,010.64/x
  3. Step 3: Cross multiply
    1,600.40x = 2,206.36 × 1,010.64
  4. Step 4: Simplify right side
    1,600.40x = 2,229,835.67
  5. Step 5: Solve for x
    x = 2,229,835.67/1,600.40
  6. Step 6: Final answer
    x = 1,393.30

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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.