Home / 1,828.79-2,518.67-1,580.03

Finding the Fourth Proportional to 1,828.79, 2,518.67 and 1,580.03

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Solution

The fourth proportional to 1,828.79, 2,518.67 and 1,580.03 is: 2,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.79 : 2,518.67 = 1,580.03 : x
  2. Step 2: Convert to fraction form
    1,828.79/2,518.67 = 1,580.03/x
  3. Step 3: Cross multiply
    1,828.79x = 2,518.67 × 1,580.03
  4. Step 4: Simplify right side
    1,828.79x = 3,979,566.26
  5. Step 5: Solve for x
    x = 3,979,566.26/1,828.79
  6. Step 6: Final answer
    x = 2,176.07

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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.