Home / 1,789.06-2,683.08-692.80

Finding the Fourth Proportional to 1,789.06, 2,683.08 and 692.80

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Solution

The fourth proportional to 1,789.06, 2,683.08 and 692.80 is: 1,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.06 : 2,683.08 = 692.80 : x
  2. Step 2: Convert to fraction form
    1,789.06/2,683.08 = 692.80/x
  3. Step 3: Cross multiply
    1,789.06x = 2,683.08 × 692.80
  4. Step 4: Simplify right side
    1,789.06x = 1,858,837.82
  5. Step 5: Solve for x
    x = 1,858,837.82/1,789.06
  6. Step 6: Final answer
    x = 1,039.00

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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.