Home / 2,280.42-3,420.63-1,046.97

Finding the Fourth Proportional to 2,280.42, 3,420.63 and 1,046.97

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Solution

The fourth proportional to 2,280.42, 3,420.63 and 1,046.97 is: 1,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.42 : 3,420.63 = 1,046.97 : x
  2. Step 2: Convert to fraction form
    2,280.42/3,420.63 = 1,046.97/x
  3. Step 3: Cross multiply
    2,280.42x = 3,420.63 × 1,046.97
  4. Step 4: Simplify right side
    2,280.42x = 3,581,296.99
  5. Step 5: Solve for x
    x = 3,581,296.99/2,280.42
  6. Step 6: Final answer
    x = 1,570.46

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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.