Home / 4,391.77-6,590.39-1,619.06

Finding the Fourth Proportional to 4,391.77, 6,590.39 and 1,619.06

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Solution

The fourth proportional to 4,391.77, 6,590.39 and 1,619.06 is: 2,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.77 : 6,590.39 = 1,619.06 : x
  2. Step 2: Convert to fraction form
    4,391.77/6,590.39 = 1,619.06/x
  3. Step 3: Cross multiply
    4,391.77x = 6,590.39 × 1,619.06
  4. Step 4: Simplify right side
    4,391.77x = 10,670,255.95
  5. Step 5: Solve for x
    x = 10,670,255.95/4,391.77
  6. Step 6: Final answer
    x = 2,429.60

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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.