Home / 1,590.86-2,194.93-1,031.35

Finding the Fourth Proportional to 1,590.86, 2,194.93 and 1,031.35

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Solution

The fourth proportional to 1,590.86, 2,194.93 and 1,031.35 is: 1,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.86 : 2,194.93 = 1,031.35 : x
  2. Step 2: Convert to fraction form
    1,590.86/2,194.93 = 1,031.35/x
  3. Step 3: Cross multiply
    1,590.86x = 2,194.93 × 1,031.35
  4. Step 4: Simplify right side
    1,590.86x = 2,263,736.86
  5. Step 5: Solve for x
    x = 2,263,736.86/1,590.86
  6. Step 6: Final answer
    x = 1,422.97

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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.