Home / 1,825.56-2,518.90-1,039.40

Finding the Fourth Proportional to 1,825.56, 2,518.90 and 1,039.40

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Solution

The fourth proportional to 1,825.56, 2,518.90 and 1,039.40 is: 1,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.56 : 2,518.90 = 1,039.40 : x
  2. Step 2: Convert to fraction form
    1,825.56/2,518.90 = 1,039.40/x
  3. Step 3: Cross multiply
    1,825.56x = 2,518.90 × 1,039.40
  4. Step 4: Simplify right side
    1,825.56x = 2,618,144.66
  5. Step 5: Solve for x
    x = 2,618,144.66/1,825.56
  6. Step 6: Final answer
    x = 1,434.16

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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.