Home / 1,490.56-2,230.35-1,162.51

Finding the Fourth Proportional to 1,490.56, 2,230.35 and 1,162.51

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Solution

The fourth proportional to 1,490.56, 2,230.35 and 1,162.51 is: 1,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.56 : 2,230.35 = 1,162.51 : x
  2. Step 2: Convert to fraction form
    1,490.56/2,230.35 = 1,162.51/x
  3. Step 3: Cross multiply
    1,490.56x = 2,230.35 × 1,162.51
  4. Step 4: Simplify right side
    1,490.56x = 2,592,804.18
  5. Step 5: Solve for x
    x = 2,592,804.18/1,490.56
  6. Step 6: Final answer
    x = 1,739.48

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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.