Home / 1,215.63-1,822.62-590.58

Finding the Fourth Proportional to 1,215.63, 1,822.62 and 590.58

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Solution

The fourth proportional to 1,215.63, 1,822.62 and 590.58 is: 885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215.63 : 1,822.62 = 590.58 : x
  2. Step 2: Convert to fraction form
    1,215.63/1,822.62 = 590.58/x
  3. Step 3: Cross multiply
    1,215.63x = 1,822.62 × 590.58
  4. Step 4: Simplify right side
    1,215.63x = 1,076,402.92
  5. Step 5: Solve for x
    x = 1,076,402.92/1,215.63
  6. Step 6: Final answer
    x = 885.47

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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.