Home / 2,879.57-4,317.73-1,888.13

Finding the Fourth Proportional to 2,879.57, 4,317.73 and 1,888.13

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Solution

The fourth proportional to 2,879.57, 4,317.73 and 1,888.13 is: 2,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.57 : 4,317.73 = 1,888.13 : x
  2. Step 2: Convert to fraction form
    2,879.57/4,317.73 = 1,888.13/x
  3. Step 3: Cross multiply
    2,879.57x = 4,317.73 × 1,888.13
  4. Step 4: Simplify right side
    2,879.57x = 8,152,409.24
  5. Step 5: Solve for x
    x = 8,152,409.24/2,879.57
  6. Step 6: Final answer
    x = 2,831.13

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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.