Home / 3,123.06-4,684.60-1,175.42

Finding the Fourth Proportional to 3,123.06, 4,684.60 and 1,175.42

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Solution

The fourth proportional to 3,123.06, 4,684.60 and 1,175.42 is: 1,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.06 : 4,684.60 = 1,175.42 : x
  2. Step 2: Convert to fraction form
    3,123.06/4,684.60 = 1,175.42/x
  3. Step 3: Cross multiply
    3,123.06x = 4,684.60 × 1,175.42
  4. Step 4: Simplify right side
    3,123.06x = 5,506,372.53
  5. Step 5: Solve for x
    x = 5,506,372.53/3,123.06
  6. Step 6: Final answer
    x = 1,763.13

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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.