Home / 1,898.08-2,842.64-1,202.32

Finding the Fourth Proportional to 1,898.08, 2,842.64 and 1,202.32

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Solution

The fourth proportional to 1,898.08, 2,842.64 and 1,202.32 is: 1,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.08 : 2,842.64 = 1,202.32 : x
  2. Step 2: Convert to fraction form
    1,898.08/2,842.64 = 1,202.32/x
  3. Step 3: Cross multiply
    1,898.08x = 2,842.64 × 1,202.32
  4. Step 4: Simplify right side
    1,898.08x = 3,417,762.92
  5. Step 5: Solve for x
    x = 3,417,762.92/1,898.08
  6. Step 6: Final answer
    x = 1,800.64

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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.