Home / 2,318.36-3,199.32-1,434.18

Finding the Fourth Proportional to 2,318.36, 3,199.32 and 1,434.18

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Solution

The fourth proportional to 2,318.36, 3,199.32 and 1,434.18 is: 1,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.36 : 3,199.32 = 1,434.18 : x
  2. Step 2: Convert to fraction form
    2,318.36/3,199.32 = 1,434.18/x
  3. Step 3: Cross multiply
    2,318.36x = 3,199.32 × 1,434.18
  4. Step 4: Simplify right side
    2,318.36x = 4,588,400.76
  5. Step 5: Solve for x
    x = 4,588,400.76/2,318.36
  6. Step 6: Final answer
    x = 1,979.16

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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.