Home / 2,501.21-3,752.16-858.22

Finding the Fourth Proportional to 2,501.21, 3,752.16 and 858.22

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Solution

The fourth proportional to 2,501.21, 3,752.16 and 858.22 is: 1,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.21 : 3,752.16 = 858.22 : x
  2. Step 2: Convert to fraction form
    2,501.21/3,752.16 = 858.22/x
  3. Step 3: Cross multiply
    2,501.21x = 3,752.16 × 858.22
  4. Step 4: Simplify right side
    2,501.21x = 3,220,166.16
  5. Step 5: Solve for x
    x = 3,220,166.16/2,501.21
  6. Step 6: Final answer
    x = 1,287.44

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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.