Home / 1,828.60-2,523.45-1,129.84

Finding the Fourth Proportional to 1,828.60, 2,523.45 and 1,129.84

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Solution

The fourth proportional to 1,828.60, 2,523.45 and 1,129.84 is: 1,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.60 : 2,523.45 = 1,129.84 : x
  2. Step 2: Convert to fraction form
    1,828.60/2,523.45 = 1,129.84/x
  3. Step 3: Cross multiply
    1,828.60x = 2,523.45 × 1,129.84
  4. Step 4: Simplify right side
    1,828.60x = 2,851,094.75
  5. Step 5: Solve for x
    x = 2,851,094.75/1,828.60
  6. Step 6: Final answer
    x = 1,559.17

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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.