Home / 1,625.48-2,242.32-1,101.68

Finding the Fourth Proportional to 1,625.48, 2,242.32 and 1,101.68

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Solution

The fourth proportional to 1,625.48, 2,242.32 and 1,101.68 is: 1,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.48 : 2,242.32 = 1,101.68 : x
  2. Step 2: Convert to fraction form
    1,625.48/2,242.32 = 1,101.68/x
  3. Step 3: Cross multiply
    1,625.48x = 2,242.32 × 1,101.68
  4. Step 4: Simplify right side
    1,625.48x = 2,470,319.10
  5. Step 5: Solve for x
    x = 2,470,319.10/1,625.48
  6. Step 6: Final answer
    x = 1,519.75

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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.