Home / 1,456.48-2,195.47-1,214.62

Finding the Fourth Proportional to 1,456.48, 2,195.47 and 1,214.62

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Solution

The fourth proportional to 1,456.48, 2,195.47 and 1,214.62 is: 1,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.48 : 2,195.47 = 1,214.62 : x
  2. Step 2: Convert to fraction form
    1,456.48/2,195.47 = 1,214.62/x
  3. Step 3: Cross multiply
    1,456.48x = 2,195.47 × 1,214.62
  4. Step 4: Simplify right side
    1,456.48x = 2,666,661.77
  5. Step 5: Solve for x
    x = 2,666,661.77/1,456.48
  6. Step 6: Final answer
    x = 1,830.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.