Home / 1,410.37-2,115.55-370.37

Finding the Fourth Proportional to 1,410.37, 2,115.55 and 370.37

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Solution

The fourth proportional to 1,410.37, 2,115.55 and 370.37 is: 555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.37 : 2,115.55 = 370.37 : x
  2. Step 2: Convert to fraction form
    1,410.37/2,115.55 = 370.37/x
  3. Step 3: Cross multiply
    1,410.37x = 2,115.55 × 370.37
  4. Step 4: Simplify right side
    1,410.37x = 783,525.68
  5. Step 5: Solve for x
    x = 783,525.68/1,410.37
  6. Step 6: Final answer
    x = 555.55

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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.