Home / 2,904.28-4,006.44-1,840.30

Finding the Fourth Proportional to 2,904.28, 4,006.44 and 1,840.30

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Solution

The fourth proportional to 2,904.28, 4,006.44 and 1,840.30 is: 2,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.28 : 4,006.44 = 1,840.30 : x
  2. Step 2: Convert to fraction form
    2,904.28/4,006.44 = 1,840.30/x
  3. Step 3: Cross multiply
    2,904.28x = 4,006.44 × 1,840.30
  4. Step 4: Simplify right side
    2,904.28x = 7,373,051.53
  5. Step 5: Solve for x
    x = 7,373,051.53/2,904.28
  6. Step 6: Final answer
    x = 2,538.68

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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.