Home / 2,485.98-3,730.32-1,869.30

Finding the Fourth Proportional to 2,485.98, 3,730.32 and 1,869.30

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Solution

The fourth proportional to 2,485.98, 3,730.32 and 1,869.30 is: 2,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.98 : 3,730.32 = 1,869.30 : x
  2. Step 2: Convert to fraction form
    2,485.98/3,730.32 = 1,869.30/x
  3. Step 3: Cross multiply
    2,485.98x = 3,730.32 × 1,869.30
  4. Step 4: Simplify right side
    2,485.98x = 6,973,087.18
  5. Step 5: Solve for x
    x = 6,973,087.18/2,485.98
  6. Step 6: Final answer
    x = 2,804.97

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1.5x scale

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.