Home / 2,898.28-4,342.38-1,803.43

Finding the Fourth Proportional to 2,898.28, 4,342.38 and 1,803.43

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Solution

The fourth proportional to 2,898.28, 4,342.38 and 1,803.43 is: 2,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.28 : 4,342.38 = 1,803.43 : x
  2. Step 2: Convert to fraction form
    2,898.28/4,342.38 = 1,803.43/x
  3. Step 3: Cross multiply
    2,898.28x = 4,342.38 × 1,803.43
  4. Step 4: Simplify right side
    2,898.28x = 7,831,178.36
  5. Step 5: Solve for x
    x = 7,831,178.36/2,898.28
  6. Step 6: Final answer
    x = 2,702.01

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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.