Home / 2,903.36-4,005.59-1,724.40

Finding the Fourth Proportional to 2,903.36, 4,005.59 and 1,724.40

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Solution

The fourth proportional to 2,903.36, 4,005.59 and 1,724.40 is: 2,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.36 : 4,005.59 = 1,724.40 : x
  2. Step 2: Convert to fraction form
    2,903.36/4,005.59 = 1,724.40/x
  3. Step 3: Cross multiply
    2,903.36x = 4,005.59 × 1,724.40
  4. Step 4: Simplify right side
    2,903.36x = 6,907,230.77
  5. Step 5: Solve for x
    x = 6,907,230.77/2,903.36
  6. Step 6: Final answer
    x = 2,379.05

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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.