Home / 2,842.30-4,264.62-1,112.14

Finding the Fourth Proportional to 2,842.30, 4,264.62 and 1,112.14

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Solution

The fourth proportional to 2,842.30, 4,264.62 and 1,112.14 is: 1,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.30 : 4,264.62 = 1,112.14 : x
  2. Step 2: Convert to fraction form
    2,842.30/4,264.62 = 1,112.14/x
  3. Step 3: Cross multiply
    2,842.30x = 4,264.62 × 1,112.14
  4. Step 4: Simplify right side
    2,842.30x = 4,742,854.49
  5. Step 5: Solve for x
    x = 4,742,854.49/2,842.30
  6. Step 6: Final answer
    x = 1,668.67

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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.