Home / 3,060.90-4,223.93-1,663.65

Finding the Fourth Proportional to 3,060.90, 4,223.93 and 1,663.65

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Solution

The fourth proportional to 3,060.90, 4,223.93 and 1,663.65 is: 2,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.90 : 4,223.93 = 1,663.65 : x
  2. Step 2: Convert to fraction form
    3,060.90/4,223.93 = 1,663.65/x
  3. Step 3: Cross multiply
    3,060.90x = 4,223.93 × 1,663.65
  4. Step 4: Simplify right side
    3,060.90x = 7,027,132.83
  5. Step 5: Solve for x
    x = 7,027,132.83/3,060.90
  6. Step 6: Final answer
    x = 2,295.77

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1.5x scale

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.