Home / 2,351.73-3,237.15-2,130.30

Finding the Fourth Proportional to 2,351.73, 3,237.15 and 2,130.30

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Solution

The fourth proportional to 2,351.73, 3,237.15 and 2,130.30 is: 2,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.73 : 3,237.15 = 2,130.30 : x
  2. Step 2: Convert to fraction form
    2,351.73/3,237.15 = 2,130.30/x
  3. Step 3: Cross multiply
    2,351.73x = 3,237.15 × 2,130.30
  4. Step 4: Simplify right side
    2,351.73x = 6,896,100.65
  5. Step 5: Solve for x
    x = 6,896,100.65/2,351.73
  6. Step 6: Final answer
    x = 2,932.35

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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.