Home / 1,313.52-1,811.76-1,051.44

Finding the Fourth Proportional to 1,313.52, 1,811.76 and 1,051.44

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Solution

The fourth proportional to 1,313.52, 1,811.76 and 1,051.44 is: 1,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313.52 : 1,811.76 = 1,051.44 : x
  2. Step 2: Convert to fraction form
    1,313.52/1,811.76 = 1,051.44/x
  3. Step 3: Cross multiply
    1,313.52x = 1,811.76 × 1,051.44
  4. Step 4: Simplify right side
    1,313.52x = 1,904,956.93
  5. Step 5: Solve for x
    x = 1,904,956.93/1,313.52
  6. Step 6: Final answer
    x = 1,450.27

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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.