Home / 2,152.89-2,971.05-1,269.45

Finding the Fourth Proportional to 2,152.89, 2,971.05 and 1,269.45

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Solution

The fourth proportional to 2,152.89, 2,971.05 and 1,269.45 is: 1,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.89 : 2,971.05 = 1,269.45 : x
  2. Step 2: Convert to fraction form
    2,152.89/2,971.05 = 1,269.45/x
  3. Step 3: Cross multiply
    2,152.89x = 2,971.05 × 1,269.45
  4. Step 4: Simplify right side
    2,152.89x = 3,771,599.42
  5. Step 5: Solve for x
    x = 3,771,599.42/2,152.89
  6. Step 6: Final answer
    x = 1,751.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.