Home / 2,509.23-3,762.41-2,123.31

Finding the Fourth Proportional to 2,509.23, 3,762.41 and 2,123.31

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Solution

The fourth proportional to 2,509.23, 3,762.41 and 2,123.31 is: 3,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.23 : 3,762.41 = 2,123.31 : x
  2. Step 2: Convert to fraction form
    2,509.23/3,762.41 = 2,123.31/x
  3. Step 3: Cross multiply
    2,509.23x = 3,762.41 × 2,123.31
  4. Step 4: Simplify right side
    2,509.23x = 7,988,752.16
  5. Step 5: Solve for x
    x = 7,988,752.16/2,509.23
  6. Step 6: Final answer
    x = 3,183.75

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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.