Home / 2,842.07-3,921.96-1,583.13

Finding the Fourth Proportional to 2,842.07, 3,921.96 and 1,583.13

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Solution

The fourth proportional to 2,842.07, 3,921.96 and 1,583.13 is: 2,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.07 : 3,921.96 = 1,583.13 : x
  2. Step 2: Convert to fraction form
    2,842.07/3,921.96 = 1,583.13/x
  3. Step 3: Cross multiply
    2,842.07x = 3,921.96 × 1,583.13
  4. Step 4: Simplify right side
    2,842.07x = 6,208,972.53
  5. Step 5: Solve for x
    x = 6,208,972.53/2,842.07
  6. Step 6: Final answer
    x = 2,184.67

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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.