Home / 2,120.46-2,926.04-1,236.08

Finding the Fourth Proportional to 2,120.46, 2,926.04 and 1,236.08

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Solution

The fourth proportional to 2,120.46, 2,926.04 and 1,236.08 is: 1,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.46 : 2,926.04 = 1,236.08 : x
  2. Step 2: Convert to fraction form
    2,120.46/2,926.04 = 1,236.08/x
  3. Step 3: Cross multiply
    2,120.46x = 2,926.04 × 1,236.08
  4. Step 4: Simplify right side
    2,120.46x = 3,616,798.71
  5. Step 5: Solve for x
    x = 3,616,798.71/2,120.46
  6. Step 6: Final answer
    x = 1,705.67

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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.