Home / 1,346.15-2,019.36-358.97

Finding the Fourth Proportional to 1,346.15, 2,019.36 and 358.97

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Solution

The fourth proportional to 1,346.15, 2,019.36 and 358.97 is: 538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.15 : 2,019.36 = 358.97 : x
  2. Step 2: Convert to fraction form
    1,346.15/2,019.36 = 358.97/x
  3. Step 3: Cross multiply
    1,346.15x = 2,019.36 × 358.97
  4. Step 4: Simplify right side
    1,346.15x = 724,889.66
  5. Step 5: Solve for x
    x = 724,889.66/1,346.15
  6. Step 6: Final answer
    x = 538.49

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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.