Home / 2,345.66-3,515.25-1,997.18

Finding the Fourth Proportional to 2,345.66, 3,515.25 and 1,997.18

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Solution

The fourth proportional to 2,345.66, 3,515.25 and 1,997.18 is: 2,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.66 : 3,515.25 = 1,997.18 : x
  2. Step 2: Convert to fraction form
    2,345.66/3,515.25 = 1,997.18/x
  3. Step 3: Cross multiply
    2,345.66x = 3,515.25 × 1,997.18
  4. Step 4: Simplify right side
    2,345.66x = 7,020,587.00
  5. Step 5: Solve for x
    x = 7,020,587.00/2,345.66
  6. Step 6: Final answer
    x = 2,993.01

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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.