Home / 1,511.95-2,084.30-1,062.45

Finding the Fourth Proportional to 1,511.95, 2,084.30 and 1,062.45

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Solution

The fourth proportional to 1,511.95, 2,084.30 and 1,062.45 is: 1,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.95 : 2,084.30 = 1,062.45 : x
  2. Step 2: Convert to fraction form
    1,511.95/2,084.30 = 1,062.45/x
  3. Step 3: Cross multiply
    1,511.95x = 2,084.30 × 1,062.45
  4. Step 4: Simplify right side
    1,511.95x = 2,214,464.54
  5. Step 5: Solve for x
    x = 2,214,464.54/1,511.95
  6. Step 6: Final answer
    x = 1,464.64

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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.