Home / 2,949.58-4,421.85-1,409.50

Finding the Fourth Proportional to 2,949.58, 4,421.85 and 1,409.50

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Solution

The fourth proportional to 2,949.58, 4,421.85 and 1,409.50 is: 2,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.58 : 4,421.85 = 1,409.50 : x
  2. Step 2: Convert to fraction form
    2,949.58/4,421.85 = 1,409.50/x
  3. Step 3: Cross multiply
    2,949.58x = 4,421.85 × 1,409.50
  4. Step 4: Simplify right side
    2,949.58x = 6,232,597.58
  5. Step 5: Solve for x
    x = 6,232,597.58/2,949.58
  6. Step 6: Final answer
    x = 2,113.05

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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.