Home / 3,750.58-5,172.44-3,123.19

Finding the Fourth Proportional to 3,750.58, 5,172.44 and 3,123.19

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Solution

The fourth proportional to 3,750.58, 5,172.44 and 3,123.19 is: 4,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.58 : 5,172.44 = 3,123.19 : x
  2. Step 2: Convert to fraction form
    3,750.58/5,172.44 = 3,123.19/x
  3. Step 3: Cross multiply
    3,750.58x = 5,172.44 × 3,123.19
  4. Step 4: Simplify right side
    3,750.58x = 16,154,487.02
  5. Step 5: Solve for x
    x = 16,154,487.02/3,750.58
  6. Step 6: Final answer
    x = 4,307.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.