Home / 1,605.37-2,214.22-1,015.33

Finding the Fourth Proportional to 1,605.37, 2,214.22 and 1,015.33

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Solution

The fourth proportional to 1,605.37, 2,214.22 and 1,015.33 is: 1,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.37 : 2,214.22 = 1,015.33 : x
  2. Step 2: Convert to fraction form
    1,605.37/2,214.22 = 1,015.33/x
  3. Step 3: Cross multiply
    1,605.37x = 2,214.22 × 1,015.33
  4. Step 4: Simplify right side
    1,605.37x = 2,248,158.92
  5. Step 5: Solve for x
    x = 2,248,158.92/1,605.37
  6. Step 6: Final answer
    x = 1,400.40

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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.