Home / 2,701.68-4,051.20-1,384.08

Finding the Fourth Proportional to 2,701.68, 4,051.20 and 1,384.08

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Solution

The fourth proportional to 2,701.68, 4,051.20 and 1,384.08 is: 2,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.68 : 4,051.20 = 1,384.08 : x
  2. Step 2: Convert to fraction form
    2,701.68/4,051.20 = 1,384.08/x
  3. Step 3: Cross multiply
    2,701.68x = 4,051.20 × 1,384.08
  4. Step 4: Simplify right side
    2,701.68x = 5,607,184.90
  5. Step 5: Solve for x
    x = 5,607,184.90/2,701.68
  6. Step 6: Final answer
    x = 2,075.44

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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.