Home / 2,162.04-3,242.43-845.70

Finding the Fourth Proportional to 2,162.04, 3,242.43 and 845.70

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Solution

The fourth proportional to 2,162.04, 3,242.43 and 845.70 is: 1,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.04 : 3,242.43 = 845.70 : x
  2. Step 2: Convert to fraction form
    2,162.04/3,242.43 = 845.70/x
  3. Step 3: Cross multiply
    2,162.04x = 3,242.43 × 845.70
  4. Step 4: Simplify right side
    2,162.04x = 2,742,123.05
  5. Step 5: Solve for x
    x = 2,742,123.05/2,162.04
  6. Step 6: Final answer
    x = 1,268.30

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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.