Home / 1,590.63-2,194.43-1,147.56

Finding the Fourth Proportional to 1,590.63, 2,194.43 and 1,147.56

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Solution

The fourth proportional to 1,590.63, 2,194.43 and 1,147.56 is: 1,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.63 : 2,194.43 = 1,147.56 : x
  2. Step 2: Convert to fraction form
    1,590.63/2,194.43 = 1,147.56/x
  3. Step 3: Cross multiply
    1,590.63x = 2,194.43 × 1,147.56
  4. Step 4: Simplify right side
    1,590.63x = 2,518,234.35
  5. Step 5: Solve for x
    x = 2,518,234.35/1,590.63
  6. Step 6: Final answer
    x = 1,583.17

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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.