Home / 3,295.20-4,548.24-1,970.40

Finding the Fourth Proportional to 3,295.20, 4,548.24 and 1,970.40

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Solution

The fourth proportional to 3,295.20, 4,548.24 and 1,970.40 is: 2,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.20 : 4,548.24 = 1,970.40 : x
  2. Step 2: Convert to fraction form
    3,295.20/4,548.24 = 1,970.40/x
  3. Step 3: Cross multiply
    3,295.20x = 4,548.24 × 1,970.40
  4. Step 4: Simplify right side
    3,295.20x = 8,961,852.10
  5. Step 5: Solve for x
    x = 8,961,852.10/3,295.20
  6. Step 6: Final answer
    x = 2,719.67

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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.