Home / 2,800.04-3,863.30-1,804.95

Finding the Fourth Proportional to 2,800.04, 3,863.30 and 1,804.95

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Solution

The fourth proportional to 2,800.04, 3,863.30 and 1,804.95 is: 2,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.04 : 3,863.30 = 1,804.95 : x
  2. Step 2: Convert to fraction form
    2,800.04/3,863.30 = 1,804.95/x
  3. Step 3: Cross multiply
    2,800.04x = 3,863.30 × 1,804.95
  4. Step 4: Simplify right side
    2,800.04x = 6,973,054.31
  5. Step 5: Solve for x
    x = 6,973,054.31/2,800.04
  6. Step 6: Final answer
    x = 2,490.35

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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.