Home / 2,903.80-4,005.48-1,724.64

Finding the Fourth Proportional to 2,903.80, 4,005.48 and 1,724.64

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Solution

The fourth proportional to 2,903.80, 4,005.48 and 1,724.64 is: 2,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.80 : 4,005.48 = 1,724.64 : x
  2. Step 2: Convert to fraction form
    2,903.80/4,005.48 = 1,724.64/x
  3. Step 3: Cross multiply
    2,903.80x = 4,005.48 × 1,724.64
  4. Step 4: Simplify right side
    2,903.80x = 6,908,011.03
  5. Step 5: Solve for x
    x = 6,908,011.03/2,903.80
  6. Step 6: Final answer
    x = 2,378.96

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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.