Home / 3,123.37-4,685.73-1,043.56

Finding the Fourth Proportional to 3,123.37, 4,685.73 and 1,043.56

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Solution

The fourth proportional to 3,123.37, 4,685.73 and 1,043.56 is: 1,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.37 : 4,685.73 = 1,043.56 : x
  2. Step 2: Convert to fraction form
    3,123.37/4,685.73 = 1,043.56/x
  3. Step 3: Cross multiply
    3,123.37x = 4,685.73 × 1,043.56
  4. Step 4: Simplify right side
    3,123.37x = 4,889,840.40
  5. Step 5: Solve for x
    x = 4,889,840.40/3,123.37
  6. Step 6: Final answer
    x = 1,565.57

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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.