Home / 1,261.55-1,894.32-1,041.69

Finding the Fourth Proportional to 1,261.55, 1,894.32 and 1,041.69

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Solution

The fourth proportional to 1,261.55, 1,894.32 and 1,041.69 is: 1,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261.55 : 1,894.32 = 1,041.69 : x
  2. Step 2: Convert to fraction form
    1,261.55/1,894.32 = 1,041.69/x
  3. Step 3: Cross multiply
    1,261.55x = 1,894.32 × 1,041.69
  4. Step 4: Simplify right side
    1,261.55x = 1,973,294.20
  5. Step 5: Solve for x
    x = 1,973,294.20/1,261.55
  6. Step 6: Final answer
    x = 1,564.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.