Home / 1,905.04-2,628.88-1,077.04

Finding the Fourth Proportional to 1,905.04, 2,628.88 and 1,077.04

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Solution

The fourth proportional to 1,905.04, 2,628.88 and 1,077.04 is: 1,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.04 : 2,628.88 = 1,077.04 : x
  2. Step 2: Convert to fraction form
    1,905.04/2,628.88 = 1,077.04/x
  3. Step 3: Cross multiply
    1,905.04x = 2,628.88 × 1,077.04
  4. Step 4: Simplify right side
    1,905.04x = 2,831,408.92
  5. Step 5: Solve for x
    x = 2,831,408.92/1,905.04
  6. Step 6: Final answer
    x = 1,486.27

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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.