Home / 4,281.24-6,420.70-1,684.20

Finding the Fourth Proportional to 4,281.24, 6,420.70 and 1,684.20

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Solution

The fourth proportional to 4,281.24, 6,420.70 and 1,684.20 is: 2,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.24 : 6,420.70 = 1,684.20 : x
  2. Step 2: Convert to fraction form
    4,281.24/6,420.70 = 1,684.20/x
  3. Step 3: Cross multiply
    4,281.24x = 6,420.70 × 1,684.20
  4. Step 4: Simplify right side
    4,281.24x = 10,813,742.94
  5. Step 5: Solve for x
    x = 10,813,742.94/4,281.24
  6. Step 6: Final answer
    x = 2,525.84

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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.