Home / 1,825.07-2,519.55-1,425.87

Finding the Fourth Proportional to 1,825.07, 2,519.55 and 1,425.87

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Solution

The fourth proportional to 1,825.07, 2,519.55 and 1,425.87 is: 1,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.07 : 2,519.55 = 1,425.87 : x
  2. Step 2: Convert to fraction form
    1,825.07/2,519.55 = 1,425.87/x
  3. Step 3: Cross multiply
    1,825.07x = 2,519.55 × 1,425.87
  4. Step 4: Simplify right side
    1,825.07x = 3,592,550.76
  5. Step 5: Solve for x
    x = 3,592,550.76/1,825.07
  6. Step 6: Final answer
    x = 1,968.45

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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.