Home / 2,281.63-3,148.65-1,233.69

Finding the Fourth Proportional to 2,281.63, 3,148.65 and 1,233.69

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Solution

The fourth proportional to 2,281.63, 3,148.65 and 1,233.69 is: 1,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.63 : 3,148.65 = 1,233.69 : x
  2. Step 2: Convert to fraction form
    2,281.63/3,148.65 = 1,233.69/x
  3. Step 3: Cross multiply
    2,281.63x = 3,148.65 × 1,233.69
  4. Step 4: Simplify right side
    2,281.63x = 3,884,458.02
  5. Step 5: Solve for x
    x = 3,884,458.02/2,281.63
  6. Step 6: Final answer
    x = 1,702.49

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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.