Home / 2,431.04-3,354.69-1,435.95

Finding the Fourth Proportional to 2,431.04, 3,354.69 and 1,435.95

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Solution

The fourth proportional to 2,431.04, 3,354.69 and 1,435.95 is: 1,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.04 : 3,354.69 = 1,435.95 : x
  2. Step 2: Convert to fraction form
    2,431.04/3,354.69 = 1,435.95/x
  3. Step 3: Cross multiply
    2,431.04x = 3,354.69 × 1,435.95
  4. Step 4: Simplify right side
    2,431.04x = 4,817,167.11
  5. Step 5: Solve for x
    x = 4,817,167.11/2,431.04
  6. Step 6: Final answer
    x = 1,981.53

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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.