Home / 2,718.16-4,075.84-1,937.76

Finding the Fourth Proportional to 2,718.16, 4,075.84 and 1,937.76

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Solution

The fourth proportional to 2,718.16, 4,075.84 and 1,937.76 is: 2,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.16 : 4,075.84 = 1,937.76 : x
  2. Step 2: Convert to fraction form
    2,718.16/4,075.84 = 1,937.76/x
  3. Step 3: Cross multiply
    2,718.16x = 4,075.84 × 1,937.76
  4. Step 4: Simplify right side
    2,718.16x = 7,897,999.72
  5. Step 5: Solve for x
    x = 7,897,999.72/2,718.16
  6. Step 6: Final answer
    x = 2,905.64

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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.