Home / 1,053.26-1,570.68-1,028.42

Finding the Fourth Proportional to 1,053.26, 1,570.68 and 1,028.42

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Solution

The fourth proportional to 1,053.26, 1,570.68 and 1,028.42 is: 1,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.26 : 1,570.68 = 1,028.42 : x
  2. Step 2: Convert to fraction form
    1,053.26/1,570.68 = 1,028.42/x
  3. Step 3: Cross multiply
    1,053.26x = 1,570.68 × 1,028.42
  4. Step 4: Simplify right side
    1,053.26x = 1,615,313.58
  5. Step 5: Solve for x
    x = 1,615,313.58/1,053.26
  6. Step 6: Final answer
    x = 1,533.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.