Home / 1,427.08-1,966.44-1,053.48

Finding the Fourth Proportional to 1,427.08, 1,966.44 and 1,053.48

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Solution

The fourth proportional to 1,427.08, 1,966.44 and 1,053.48 is: 1,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.08 : 1,966.44 = 1,053.48 : x
  2. Step 2: Convert to fraction form
    1,427.08/1,966.44 = 1,053.48/x
  3. Step 3: Cross multiply
    1,427.08x = 1,966.44 × 1,053.48
  4. Step 4: Simplify right side
    1,427.08x = 2,071,605.21
  5. Step 5: Solve for x
    x = 2,071,605.21/1,427.08
  6. Step 6: Final answer
    x = 1,451.64

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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.