Home / 3,728.61-5,590.95-1,262.55

Finding the Fourth Proportional to 3,728.61, 5,590.95 and 1,262.55

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Solution

The fourth proportional to 3,728.61, 5,590.95 and 1,262.55 is: 1,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.61 : 5,590.95 = 1,262.55 : x
  2. Step 2: Convert to fraction form
    3,728.61/5,590.95 = 1,262.55/x
  3. Step 3: Cross multiply
    3,728.61x = 5,590.95 × 1,262.55
  4. Step 4: Simplify right side
    3,728.61x = 7,058,853.92
  5. Step 5: Solve for x
    x = 7,058,853.92/3,728.61
  6. Step 6: Final answer
    x = 1,893.16

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1.5x scale

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.