Home / 2,877.53-4,316.58-1,145.75

Finding the Fourth Proportional to 2,877.53, 4,316.58 and 1,145.75

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Solution

The fourth proportional to 2,877.53, 4,316.58 and 1,145.75 is: 1,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.53 : 4,316.58 = 1,145.75 : x
  2. Step 2: Convert to fraction form
    2,877.53/4,316.58 = 1,145.75/x
  3. Step 3: Cross multiply
    2,877.53x = 4,316.58 × 1,145.75
  4. Step 4: Simplify right side
    2,877.53x = 4,945,721.54
  5. Step 5: Solve for x
    x = 4,945,721.54/2,877.53
  6. Step 6: Final answer
    x = 1,718.74

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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.