Home / 4,284.30-6,426.45-2,340.30

Finding the Fourth Proportional to 4,284.30, 6,426.45 and 2,340.30

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Solution

The fourth proportional to 4,284.30, 6,426.45 and 2,340.30 is: 3,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.30 : 6,426.45 = 2,340.30 : x
  2. Step 2: Convert to fraction form
    4,284.30/6,426.45 = 2,340.30/x
  3. Step 3: Cross multiply
    4,284.30x = 6,426.45 × 2,340.30
  4. Step 4: Simplify right side
    4,284.30x = 15,039,820.94
  5. Step 5: Solve for x
    x = 15,039,820.94/4,284.30
  6. Step 6: Final answer
    x = 3,510.45

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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.