Home / 2,483.80-3,428.12-1,435.88

Finding the Fourth Proportional to 2,483.80, 3,428.12 and 1,435.88

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Solution

The fourth proportional to 2,483.80, 3,428.12 and 1,435.88 is: 1,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.80 : 3,428.12 = 1,435.88 : x
  2. Step 2: Convert to fraction form
    2,483.80/3,428.12 = 1,435.88/x
  3. Step 3: Cross multiply
    2,483.80x = 3,428.12 × 1,435.88
  4. Step 4: Simplify right side
    2,483.80x = 4,922,368.95
  5. Step 5: Solve for x
    x = 4,922,368.95/2,483.80
  6. Step 6: Final answer
    x = 1,981.79

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1.5x scale

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.