Home / 1,334.81-1,841.08-1,157.45

Finding the Fourth Proportional to 1,334.81, 1,841.08 and 1,157.45

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Solution

The fourth proportional to 1,334.81, 1,841.08 and 1,157.45 is: 1,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.81 : 1,841.08 = 1,157.45 : x
  2. Step 2: Convert to fraction form
    1,334.81/1,841.08 = 1,157.45/x
  3. Step 3: Cross multiply
    1,334.81x = 1,841.08 × 1,157.45
  4. Step 4: Simplify right side
    1,334.81x = 2,130,958.05
  5. Step 5: Solve for x
    x = 2,130,958.05/1,334.81
  6. Step 6: Final answer
    x = 1,596.45

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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.