Home / 3,123.51-4,685.33-1,273.35

Finding the Fourth Proportional to 3,123.51, 4,685.33 and 1,273.35

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Solution

The fourth proportional to 3,123.51, 4,685.33 and 1,273.35 is: 1,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.51 : 4,685.33 = 1,273.35 : x
  2. Step 2: Convert to fraction form
    3,123.51/4,685.33 = 1,273.35/x
  3. Step 3: Cross multiply
    3,123.51x = 4,685.33 × 1,273.35
  4. Step 4: Simplify right side
    3,123.51x = 5,966,041.53
  5. Step 5: Solve for x
    x = 5,966,041.53/3,123.51
  6. Step 6: Final answer
    x = 1,910.04

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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.