Home / 1,554.09-2,331.23-580.11

Finding the Fourth Proportional to 1,554.09, 2,331.23 and 580.11

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Solution

The fourth proportional to 1,554.09, 2,331.23 and 580.11 is: 870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.09 : 2,331.23 = 580.11 : x
  2. Step 2: Convert to fraction form
    1,554.09/2,331.23 = 580.11/x
  3. Step 3: Cross multiply
    1,554.09x = 2,331.23 × 580.11
  4. Step 4: Simplify right side
    1,554.09x = 1,352,366.93
  5. Step 5: Solve for x
    x = 1,352,366.93/1,554.09
  6. Step 6: Final answer
    x = 870.20

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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.