Home / 2,284.18-3,152.23-1,289.47

Finding the Fourth Proportional to 2,284.18, 3,152.23 and 1,289.47

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Solution

The fourth proportional to 2,284.18, 3,152.23 and 1,289.47 is: 1,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.18 : 3,152.23 = 1,289.47 : x
  2. Step 2: Convert to fraction form
    2,284.18/3,152.23 = 1,289.47/x
  3. Step 3: Cross multiply
    2,284.18x = 3,152.23 × 1,289.47
  4. Step 4: Simplify right side
    2,284.18x = 4,064,708.08
  5. Step 5: Solve for x
    x = 4,064,708.08/2,284.18
  6. Step 6: Final answer
    x = 1,779.50

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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.