Home / 1,490.58-2,231.04-795.51

Finding the Fourth Proportional to 1,490.58, 2,231.04 and 795.51

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Solution

The fourth proportional to 1,490.58, 2,231.04 and 795.51 is: 1,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.58 : 2,231.04 = 795.51 : x
  2. Step 2: Convert to fraction form
    1,490.58/2,231.04 = 795.51/x
  3. Step 3: Cross multiply
    1,490.58x = 2,231.04 × 795.51
  4. Step 4: Simplify right side
    1,490.58x = 1,774,814.63
  5. Step 5: Solve for x
    x = 1,774,814.63/1,490.58
  6. Step 6: Final answer
    x = 1,190.69

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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.