Home / 4,190.02-6,280.70-1,591.12

Finding the Fourth Proportional to 4,190.02, 6,280.70 and 1,591.12

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Solution

The fourth proportional to 4,190.02, 6,280.70 and 1,591.12 is: 2,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.02 : 6,280.70 = 1,591.12 : x
  2. Step 2: Convert to fraction form
    4,190.02/6,280.70 = 1,591.12/x
  3. Step 3: Cross multiply
    4,190.02x = 6,280.70 × 1,591.12
  4. Step 4: Simplify right side
    4,190.02x = 9,993,347.38
  5. Step 5: Solve for x
    x = 9,993,347.38/4,190.02
  6. Step 6: Final answer
    x = 2,385.04

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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.