Home / 2,355.23-3,250.14-1,515.97

Finding the Fourth Proportional to 2,355.23, 3,250.14 and 1,515.97

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Solution

The fourth proportional to 2,355.23, 3,250.14 and 1,515.97 is: 2,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.23 : 3,250.14 = 1,515.97 : x
  2. Step 2: Convert to fraction form
    2,355.23/3,250.14 = 1,515.97/x
  3. Step 3: Cross multiply
    2,355.23x = 3,250.14 × 1,515.97
  4. Step 4: Simplify right side
    2,355.23x = 4,927,113.11
  5. Step 5: Solve for x
    x = 4,927,113.11/2,355.23
  6. Step 6: Final answer
    x = 2,091.99

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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.