Home / 2,842.03-3,921.74-1,583.15

Finding the Fourth Proportional to 2,842.03, 3,921.74 and 1,583.15

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Solution

The fourth proportional to 2,842.03, 3,921.74 and 1,583.15 is: 2,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.03 : 3,921.74 = 1,583.15 : x
  2. Step 2: Convert to fraction form
    2,842.03/3,921.74 = 1,583.15/x
  3. Step 3: Cross multiply
    2,842.03x = 3,921.74 × 1,583.15
  4. Step 4: Simplify right side
    2,842.03x = 6,208,702.68
  5. Step 5: Solve for x
    x = 6,208,702.68/2,842.03
  6. Step 6: Final answer
    x = 2,184.60

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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.