Home / 3,000.56-4,140.30-1,674.20

Finding the Fourth Proportional to 3,000.56, 4,140.30 and 1,674.20

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Solution

The fourth proportional to 3,000.56, 4,140.30 and 1,674.20 is: 2,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.56 : 4,140.30 = 1,674.20 : x
  2. Step 2: Convert to fraction form
    3,000.56/4,140.30 = 1,674.20/x
  3. Step 3: Cross multiply
    3,000.56x = 4,140.30 × 1,674.20
  4. Step 4: Simplify right side
    3,000.56x = 6,931,690.26
  5. Step 5: Solve for x
    x = 6,931,690.26/3,000.56
  6. Step 6: Final answer
    x = 2,310.13

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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.