Home / 1,370.19-2,055.48-504.42

Finding the Fourth Proportional to 1,370.19, 2,055.48 and 504.42

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Solution

The fourth proportional to 1,370.19, 2,055.48 and 504.42 is: 756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.19 : 2,055.48 = 504.42 : x
  2. Step 2: Convert to fraction form
    1,370.19/2,055.48 = 504.42/x
  3. Step 3: Cross multiply
    1,370.19x = 2,055.48 × 504.42
  4. Step 4: Simplify right side
    1,370.19x = 1,036,825.22
  5. Step 5: Solve for x
    x = 1,036,825.22/1,370.19
  6. Step 6: Final answer
    x = 756.70

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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.