Home / 3,087.21-4,631.55-1,007.23

Finding the Fourth Proportional to 3,087.21, 4,631.55 and 1,007.23

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Solution

The fourth proportional to 3,087.21, 4,631.55 and 1,007.23 is: 1,511.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.21 : 4,631.55 = 1,007.23 : x
  2. Step 2: Convert to fraction form
    3,087.21/4,631.55 = 1,007.23/x
  3. Step 3: Cross multiply
    3,087.21x = 4,631.55 × 1,007.23
  4. Step 4: Simplify right side
    3,087.21x = 4,665,036.11
  5. Step 5: Solve for x
    x = 4,665,036.11/3,087.21
  6. Step 6: Final answer
    x = 1,511.08

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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.