Home / 3,071.12-4,607.37-1,123.32

Finding the Fourth Proportional to 3,071.12, 4,607.37 and 1,123.32

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Solution

The fourth proportional to 3,071.12, 4,607.37 and 1,123.32 is: 1,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.12 : 4,607.37 = 1,123.32 : x
  2. Step 2: Convert to fraction form
    3,071.12/4,607.37 = 1,123.32/x
  3. Step 3: Cross multiply
    3,071.12x = 4,607.37 × 1,123.32
  4. Step 4: Simplify right side
    3,071.12x = 5,175,550.87
  5. Step 5: Solve for x
    x = 5,175,550.87/3,071.12
  6. Step 6: Final answer
    x = 1,685.24

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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.