Home / 3,386.68-5,075.69-2,946.11

Finding the Fourth Proportional to 3,386.68, 5,075.69 and 2,946.11

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Solution

The fourth proportional to 3,386.68, 5,075.69 and 2,946.11 is: 4,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.68 : 5,075.69 = 2,946.11 : x
  2. Step 2: Convert to fraction form
    3,386.68/5,075.69 = 2,946.11/x
  3. Step 3: Cross multiply
    3,386.68x = 5,075.69 × 2,946.11
  4. Step 4: Simplify right side
    3,386.68x = 14,953,500.96
  5. Step 5: Solve for x
    x = 14,953,500.96/3,386.68
  6. Step 6: Final answer
    x = 4,415.39

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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.