Home / 2,588.20-3,570.42-1,642.36

Finding the Fourth Proportional to 2,588.20, 3,570.42 and 1,642.36

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Solution

The fourth proportional to 2,588.20, 3,570.42 and 1,642.36 is: 2,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.20 : 3,570.42 = 1,642.36 : x
  2. Step 2: Convert to fraction form
    2,588.20/3,570.42 = 1,642.36/x
  3. Step 3: Cross multiply
    2,588.20x = 3,570.42 × 1,642.36
  4. Step 4: Simplify right side
    2,588.20x = 5,863,914.99
  5. Step 5: Solve for x
    x = 5,863,914.99/2,588.20
  6. Step 6: Final answer
    x = 2,265.63

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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.