Home / 2,715.67-4,075.45-1,156.76

Finding the Fourth Proportional to 2,715.67, 4,075.45 and 1,156.76

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Solution

The fourth proportional to 2,715.67, 4,075.45 and 1,156.76 is: 1,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.67 : 4,075.45 = 1,156.76 : x
  2. Step 2: Convert to fraction form
    2,715.67/4,075.45 = 1,156.76/x
  3. Step 3: Cross multiply
    2,715.67x = 4,075.45 × 1,156.76
  4. Step 4: Simplify right side
    2,715.67x = 4,714,324.84
  5. Step 5: Solve for x
    x = 4,714,324.84/2,715.67
  6. Step 6: Final answer
    x = 1,735.97

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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.