Home / 1,488.31-2,054.07-1,134.73

Finding the Fourth Proportional to 1,488.31, 2,054.07 and 1,134.73

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Solution

The fourth proportional to 1,488.31, 2,054.07 and 1,134.73 is: 1,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.31 : 2,054.07 = 1,134.73 : x
  2. Step 2: Convert to fraction form
    1,488.31/2,054.07 = 1,134.73/x
  3. Step 3: Cross multiply
    1,488.31x = 2,054.07 × 1,134.73
  4. Step 4: Simplify right side
    1,488.31x = 2,330,798.91
  5. Step 5: Solve for x
    x = 2,330,798.91/1,488.31
  6. Step 6: Final answer
    x = 1,566.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.