Home / 2,418.84-3,628.95-1,153.35

Finding the Fourth Proportional to 2,418.84, 3,628.95 and 1,153.35

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Solution

The fourth proportional to 2,418.84, 3,628.95 and 1,153.35 is: 1,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.84 : 3,628.95 = 1,153.35 : x
  2. Step 2: Convert to fraction form
    2,418.84/3,628.95 = 1,153.35/x
  3. Step 3: Cross multiply
    2,418.84x = 3,628.95 × 1,153.35
  4. Step 4: Simplify right side
    2,418.84x = 4,185,449.48
  5. Step 5: Solve for x
    x = 4,185,449.48/2,418.84
  6. Step 6: Final answer
    x = 1,730.35

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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.