Home / 1,697.06-2,545.18-1,240.22

Finding the Fourth Proportional to 1,697.06, 2,545.18 and 1,240.22

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Solution

The fourth proportional to 1,697.06, 2,545.18 and 1,240.22 is: 1,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.06 : 2,545.18 = 1,240.22 : x
  2. Step 2: Convert to fraction form
    1,697.06/2,545.18 = 1,240.22/x
  3. Step 3: Cross multiply
    1,697.06x = 2,545.18 × 1,240.22
  4. Step 4: Simplify right side
    1,697.06x = 3,156,583.14
  5. Step 5: Solve for x
    x = 3,156,583.14/1,697.06
  6. Step 6: Final answer
    x = 1,860.03

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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.