Home / 3,012.56-4,519.48-1,038.37

Finding the Fourth Proportional to 3,012.56, 4,519.48 and 1,038.37

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Solution

The fourth proportional to 3,012.56, 4,519.48 and 1,038.37 is: 1,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.56 : 4,519.48 = 1,038.37 : x
  2. Step 2: Convert to fraction form
    3,012.56/4,519.48 = 1,038.37/x
  3. Step 3: Cross multiply
    3,012.56x = 4,519.48 × 1,038.37
  4. Step 4: Simplify right side
    3,012.56x = 4,692,878.55
  5. Step 5: Solve for x
    x = 4,692,878.55/3,012.56
  6. Step 6: Final answer
    x = 1,557.77

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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.