Home / 1,263.08-1,741.32-1,235.48

Finding the Fourth Proportional to 1,263.08, 1,741.32 and 1,235.48

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Solution

The fourth proportional to 1,263.08, 1,741.32 and 1,235.48 is: 1,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.08 : 1,741.32 = 1,235.48 : x
  2. Step 2: Convert to fraction form
    1,263.08/1,741.32 = 1,235.48/x
  3. Step 3: Cross multiply
    1,263.08x = 1,741.32 × 1,235.48
  4. Step 4: Simplify right side
    1,263.08x = 2,151,366.03
  5. Step 5: Solve for x
    x = 2,151,366.03/1,263.08
  6. Step 6: Final answer
    x = 1,703.27

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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.