Home / 2,798.67-3,860.55-2,588.70

Finding the Fourth Proportional to 2,798.67, 3,860.55 and 2,588.70

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Solution

The fourth proportional to 2,798.67, 3,860.55 and 2,588.70 is: 3,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.67 : 3,860.55 = 2,588.70 : x
  2. Step 2: Convert to fraction form
    2,798.67/3,860.55 = 2,588.70/x
  3. Step 3: Cross multiply
    2,798.67x = 3,860.55 × 2,588.70
  4. Step 4: Simplify right side
    2,798.67x = 9,993,805.79
  5. Step 5: Solve for x
    x = 9,993,805.79/2,798.67
  6. Step 6: Final answer
    x = 3,570.91

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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.