Home / 2,307.95-3,456.41-1,331.09

Finding the Fourth Proportional to 2,307.95, 3,456.41 and 1,331.09

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Solution

The fourth proportional to 2,307.95, 3,456.41 and 1,331.09 is: 1,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.95 : 3,456.41 = 1,331.09 : x
  2. Step 2: Convert to fraction form
    2,307.95/3,456.41 = 1,331.09/x
  3. Step 3: Cross multiply
    2,307.95x = 3,456.41 × 1,331.09
  4. Step 4: Simplify right side
    2,307.95x = 4,600,798.10
  5. Step 5: Solve for x
    x = 4,600,798.10/2,307.95
  6. Step 6: Final answer
    x = 1,993.45

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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.