Home / 1,951.09-2,692.55-1,066.93

Finding the Fourth Proportional to 1,951.09, 2,692.55 and 1,066.93

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Solution

The fourth proportional to 1,951.09, 2,692.55 and 1,066.93 is: 1,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.09 : 2,692.55 = 1,066.93 : x
  2. Step 2: Convert to fraction form
    1,951.09/2,692.55 = 1,066.93/x
  3. Step 3: Cross multiply
    1,951.09x = 2,692.55 × 1,066.93
  4. Step 4: Simplify right side
    1,951.09x = 2,872,762.37
  5. Step 5: Solve for x
    x = 2,872,762.37/1,951.09
  6. Step 6: Final answer
    x = 1,472.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.