Home / 1,584.65-2,187.58-1,054.41

Finding the Fourth Proportional to 1,584.65, 2,187.58 and 1,054.41

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Solution

The fourth proportional to 1,584.65, 2,187.58 and 1,054.41 is: 1,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.65 : 2,187.58 = 1,054.41 : x
  2. Step 2: Convert to fraction form
    1,584.65/2,187.58 = 1,054.41/x
  3. Step 3: Cross multiply
    1,584.65x = 2,187.58 × 1,054.41
  4. Step 4: Simplify right side
    1,584.65x = 2,306,606.23
  5. Step 5: Solve for x
    x = 2,306,606.23/1,584.65
  6. Step 6: Final answer
    x = 1,455.59

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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.