Home / 2,893.04-3,990.48-1,846.40

Finding the Fourth Proportional to 2,893.04, 3,990.48 and 1,846.40

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Solution

The fourth proportional to 2,893.04, 3,990.48 and 1,846.40 is: 2,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.04 : 3,990.48 = 1,846.40 : x
  2. Step 2: Convert to fraction form
    2,893.04/3,990.48 = 1,846.40/x
  3. Step 3: Cross multiply
    2,893.04x = 3,990.48 × 1,846.40
  4. Step 4: Simplify right side
    2,893.04x = 7,368,022.27
  5. Step 5: Solve for x
    x = 7,368,022.27/2,893.04
  6. Step 6: Final answer
    x = 2,546.81

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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.