Home / 1,658.95-2,288.93-1,216.08

Finding the Fourth Proportional to 1,658.95, 2,288.93 and 1,216.08

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Solution

The fourth proportional to 1,658.95, 2,288.93 and 1,216.08 is: 1,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.95 : 2,288.93 = 1,216.08 : x
  2. Step 2: Convert to fraction form
    1,658.95/2,288.93 = 1,216.08/x
  3. Step 3: Cross multiply
    1,658.95x = 2,288.93 × 1,216.08
  4. Step 4: Simplify right side
    1,658.95x = 2,783,515.91
  5. Step 5: Solve for x
    x = 2,783,515.91/1,658.95
  6. Step 6: Final answer
    x = 1,677.88

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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.