Home / 1,346.07-2,019.05-372.15

Finding the Fourth Proportional to 1,346.07, 2,019.05 and 372.15

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Solution

The fourth proportional to 1,346.07, 2,019.05 and 372.15 is: 558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.07 : 2,019.05 = 372.15 : x
  2. Step 2: Convert to fraction form
    1,346.07/2,019.05 = 372.15/x
  3. Step 3: Cross multiply
    1,346.07x = 2,019.05 × 372.15
  4. Step 4: Simplify right side
    1,346.07x = 751,389.46
  5. Step 5: Solve for x
    x = 751,389.46/1,346.07
  6. Step 6: Final answer
    x = 558.21

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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.