Home / 1,518.37-2,265.64-1,425.49

Finding the Fourth Proportional to 1,518.37, 2,265.64 and 1,425.49

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Solution

The fourth proportional to 1,518.37, 2,265.64 and 1,425.49 is: 2,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.37 : 2,265.64 = 1,425.49 : x
  2. Step 2: Convert to fraction form
    1,518.37/2,265.64 = 1,425.49/x
  3. Step 3: Cross multiply
    1,518.37x = 2,265.64 × 1,425.49
  4. Step 4: Simplify right side
    1,518.37x = 3,229,647.16
  5. Step 5: Solve for x
    x = 3,229,647.16/1,518.37
  6. Step 6: Final answer
    x = 2,127.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.