Home / 1,518.24-2,096.10-958.80

Finding the Fourth Proportional to 1,518.24, 2,096.10 and 958.80

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Solution

The fourth proportional to 1,518.24, 2,096.10 and 958.80 is: 1,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.24 : 2,096.10 = 958.80 : x
  2. Step 2: Convert to fraction form
    1,518.24/2,096.10 = 958.80/x
  3. Step 3: Cross multiply
    1,518.24x = 2,096.10 × 958.80
  4. Step 4: Simplify right side
    1,518.24x = 2,009,740.68
  5. Step 5: Solve for x
    x = 2,009,740.68/1,518.24
  6. Step 6: Final answer
    x = 1,323.73

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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.