Home / 2,923.57-4,390.80-2,726.74

Finding the Fourth Proportional to 2,923.57, 4,390.80 and 2,726.74

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Solution

The fourth proportional to 2,923.57, 4,390.80 and 2,726.74 is: 4,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.57 : 4,390.80 = 2,726.74 : x
  2. Step 2: Convert to fraction form
    2,923.57/4,390.80 = 2,726.74/x
  3. Step 3: Cross multiply
    2,923.57x = 4,390.80 × 2,726.74
  4. Step 4: Simplify right side
    2,923.57x = 11,972,569.99
  5. Step 5: Solve for x
    x = 11,972,569.99/2,923.57
  6. Step 6: Final answer
    x = 4,095.19

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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.