Home / 3,364.08-5,045.40-1,415.76

Finding the Fourth Proportional to 3,364.08, 5,045.40 and 1,415.76

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Solution

The fourth proportional to 3,364.08, 5,045.40 and 1,415.76 is: 2,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.08 : 5,045.40 = 1,415.76 : x
  2. Step 2: Convert to fraction form
    3,364.08/5,045.40 = 1,415.76/x
  3. Step 3: Cross multiply
    3,364.08x = 5,045.40 × 1,415.76
  4. Step 4: Simplify right side
    3,364.08x = 7,143,075.50
  5. Step 5: Solve for x
    x = 7,143,075.50/3,364.08
  6. Step 6: Final answer
    x = 2,123.34

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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.