Home / 1,554.08-2,331.52-580.19

Finding the Fourth Proportional to 1,554.08, 2,331.52 and 580.19

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Solution

The fourth proportional to 1,554.08, 2,331.52 and 580.19 is: 870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.08 : 2,331.52 = 580.19 : x
  2. Step 2: Convert to fraction form
    1,554.08/2,331.52 = 580.19/x
  3. Step 3: Cross multiply
    1,554.08x = 2,331.52 × 580.19
  4. Step 4: Simplify right side
    1,554.08x = 1,352,724.59
  5. Step 5: Solve for x
    x = 1,352,724.59/1,554.08
  6. Step 6: Final answer
    x = 870.43

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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.