Home / 2,950.40-4,071.55-1,624.15

Finding the Fourth Proportional to 2,950.40, 4,071.55 and 1,624.15

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Solution

The fourth proportional to 2,950.40, 4,071.55 and 1,624.15 is: 2,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.40 : 4,071.55 = 1,624.15 : x
  2. Step 2: Convert to fraction form
    2,950.40/4,071.55 = 1,624.15/x
  3. Step 3: Cross multiply
    2,950.40x = 4,071.55 × 1,624.15
  4. Step 4: Simplify right side
    2,950.40x = 6,612,807.93
  5. Step 5: Solve for x
    x = 6,612,807.93/2,950.40
  6. Step 6: Final answer
    x = 2,241.33

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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.