Home / 1,590.03-2,192.86-1,029.97

Finding the Fourth Proportional to 1,590.03, 2,192.86 and 1,029.97

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Solution

The fourth proportional to 1,590.03, 2,192.86 and 1,029.97 is: 1,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.03 : 2,192.86 = 1,029.97 : x
  2. Step 2: Convert to fraction form
    1,590.03/2,192.86 = 1,029.97/x
  3. Step 3: Cross multiply
    1,590.03x = 2,192.86 × 1,029.97
  4. Step 4: Simplify right side
    1,590.03x = 2,258,565.91
  5. Step 5: Solve for x
    x = 2,258,565.91/1,590.03
  6. Step 6: Final answer
    x = 1,420.45

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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.