Home / 1,697.22-2,545.02-1,176.80

Finding the Fourth Proportional to 1,697.22, 2,545.02 and 1,176.80

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Solution

The fourth proportional to 1,697.22, 2,545.02 and 1,176.80 is: 1,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.22 : 2,545.02 = 1,176.80 : x
  2. Step 2: Convert to fraction form
    1,697.22/2,545.02 = 1,176.80/x
  3. Step 3: Cross multiply
    1,697.22x = 2,545.02 × 1,176.80
  4. Step 4: Simplify right side
    1,697.22x = 2,994,966.81
  5. Step 5: Solve for x
    x = 2,994,966.81/1,697.22
  6. Step 6: Final answer
    x = 1,764.63

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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.