Home / 1,313.37-1,810.26-1,127.07

Finding the Fourth Proportional to 1,313.37, 1,810.26 and 1,127.07

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Solution

The fourth proportional to 1,313.37, 1,810.26 and 1,127.07 is: 1,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313.37 : 1,810.26 = 1,127.07 : x
  2. Step 2: Convert to fraction form
    1,313.37/1,810.26 = 1,127.07/x
  3. Step 3: Cross multiply
    1,313.37x = 1,810.26 × 1,127.07
  4. Step 4: Simplify right side
    1,313.37x = 2,040,289.74
  5. Step 5: Solve for x
    x = 2,040,289.74/1,313.37
  6. Step 6: Final answer
    x = 1,553.48

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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.