Home / 2,647.95-3,971.93-700.13

Finding the Fourth Proportional to 2,647.95, 3,971.93 and 700.13

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Solution

The fourth proportional to 2,647.95, 3,971.93 and 700.13 is: 1,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.95 : 3,971.93 = 700.13 : x
  2. Step 2: Convert to fraction form
    2,647.95/3,971.93 = 700.13/x
  3. Step 3: Cross multiply
    2,647.95x = 3,971.93 × 700.13
  4. Step 4: Simplify right side
    2,647.95x = 2,780,843.99
  5. Step 5: Solve for x
    x = 2,780,843.99/2,647.95
  6. Step 6: Final answer
    x = 1,050.19

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Similar ratio
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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.