Home / 1,847.04-2,771.09-692.88

Finding the Fourth Proportional to 1,847.04, 2,771.09 and 692.88

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Solution

The fourth proportional to 1,847.04, 2,771.09 and 692.88 is: 1,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.04 : 2,771.09 = 692.88 : x
  2. Step 2: Convert to fraction form
    1,847.04/2,771.09 = 692.88/x
  3. Step 3: Cross multiply
    1,847.04x = 2,771.09 × 692.88
  4. Step 4: Simplify right side
    1,847.04x = 1,920,032.84
  5. Step 5: Solve for x
    x = 1,920,032.84/1,847.04
  6. Step 6: Final answer
    x = 1,039.52

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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.