Home / 1,825.10-2,519.21-1,117.16

Finding the Fourth Proportional to 1,825.10, 2,519.21 and 1,117.16

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Solution

The fourth proportional to 1,825.10, 2,519.21 and 1,117.16 is: 1,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.10 : 2,519.21 = 1,117.16 : x
  2. Step 2: Convert to fraction form
    1,825.10/2,519.21 = 1,117.16/x
  3. Step 3: Cross multiply
    1,825.10x = 2,519.21 × 1,117.16
  4. Step 4: Simplify right side
    1,825.10x = 2,814,355.06
  5. Step 5: Solve for x
    x = 2,814,355.06/1,825.10
  6. Step 6: Final answer
    x = 1,542.03

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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.