Home / 2,148.08-2,964.27-1,216.58

Finding the Fourth Proportional to 2,148.08, 2,964.27 and 1,216.58

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Solution

The fourth proportional to 2,148.08, 2,964.27 and 1,216.58 is: 1,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.08 : 2,964.27 = 1,216.58 : x
  2. Step 2: Convert to fraction form
    2,148.08/2,964.27 = 1,216.58/x
  3. Step 3: Cross multiply
    2,148.08x = 2,964.27 × 1,216.58
  4. Step 4: Simplify right side
    2,148.08x = 3,606,271.60
  5. Step 5: Solve for x
    x = 3,606,271.60/2,148.08
  6. Step 6: Final answer
    x = 1,678.83

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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.