Home / 1,456.58-2,169.96-1,386.92

Finding the Fourth Proportional to 1,456.58, 2,169.96 and 1,386.92

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Solution

The fourth proportional to 1,456.58, 2,169.96 and 1,386.92 is: 2,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.58 : 2,169.96 = 1,386.92 : x
  2. Step 2: Convert to fraction form
    1,456.58/2,169.96 = 1,386.92/x
  3. Step 3: Cross multiply
    1,456.58x = 2,169.96 × 1,386.92
  4. Step 4: Simplify right side
    1,456.58x = 3,009,560.92
  5. Step 5: Solve for x
    x = 3,009,560.92/1,456.58
  6. Step 6: Final answer
    x = 2,066.18

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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.