Home / 1,628.36-2,437.78-1,010.20

Finding the Fourth Proportional to 1,628.36, 2,437.78 and 1,010.20

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Solution

The fourth proportional to 1,628.36, 2,437.78 and 1,010.20 is: 1,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.36 : 2,437.78 = 1,010.20 : x
  2. Step 2: Convert to fraction form
    1,628.36/2,437.78 = 1,010.20/x
  3. Step 3: Cross multiply
    1,628.36x = 2,437.78 × 1,010.20
  4. Step 4: Simplify right side
    1,628.36x = 2,462,645.36
  5. Step 5: Solve for x
    x = 2,462,645.36/1,628.36
  6. Step 6: Final answer
    x = 1,512.35

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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.