Home / 4,029.78-6,045.24-1,256.70

Finding the Fourth Proportional to 4,029.78, 6,045.24 and 1,256.70

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Solution

The fourth proportional to 4,029.78, 6,045.24 and 1,256.70 is: 1,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029.78 : 6,045.24 = 1,256.70 : x
  2. Step 2: Convert to fraction form
    4,029.78/6,045.24 = 1,256.70/x
  3. Step 3: Cross multiply
    4,029.78x = 6,045.24 × 1,256.70
  4. Step 4: Simplify right side
    4,029.78x = 7,597,053.11
  5. Step 5: Solve for x
    x = 7,597,053.11/4,029.78
  6. Step 6: Final answer
    x = 1,885.23

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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.