Home / 3,437.45-5,153.89-1,245.89

Finding the Fourth Proportional to 3,437.45, 5,153.89 and 1,245.89

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Solution

The fourth proportional to 3,437.45, 5,153.89 and 1,245.89 is: 1,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.45 : 5,153.89 = 1,245.89 : x
  2. Step 2: Convert to fraction form
    3,437.45/5,153.89 = 1,245.89/x
  3. Step 3: Cross multiply
    3,437.45x = 5,153.89 × 1,245.89
  4. Step 4: Simplify right side
    3,437.45x = 6,421,180.01
  5. Step 5: Solve for x
    x = 6,421,180.01/3,437.45
  6. Step 6: Final answer
    x = 1,868.01

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1.5x scale

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.