Home / 2,749.95-4,124.32-1,623.51

Finding the Fourth Proportional to 2,749.95, 4,124.32 and 1,623.51

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Solution

The fourth proportional to 2,749.95, 4,124.32 and 1,623.51 is: 2,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.95 : 4,124.32 = 1,623.51 : x
  2. Step 2: Convert to fraction form
    2,749.95/4,124.32 = 1,623.51/x
  3. Step 3: Cross multiply
    2,749.95x = 4,124.32 × 1,623.51
  4. Step 4: Simplify right side
    2,749.95x = 6,695,870.70
  5. Step 5: Solve for x
    x = 6,695,870.70/2,749.95
  6. Step 6: Final answer
    x = 2,434.91

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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.