Home / 2,319.18-3,200.67-1,324.77

Finding the Fourth Proportional to 2,319.18, 3,200.67 and 1,324.77

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Solution

The fourth proportional to 2,319.18, 3,200.67 and 1,324.77 is: 1,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.18 : 3,200.67 = 1,324.77 : x
  2. Step 2: Convert to fraction form
    2,319.18/3,200.67 = 1,324.77/x
  3. Step 3: Cross multiply
    2,319.18x = 3,200.67 × 1,324.77
  4. Step 4: Simplify right side
    2,319.18x = 4,240,165.28
  5. Step 5: Solve for x
    x = 4,240,165.28/2,319.18
  6. Step 6: Final answer
    x = 1,828.31

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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.