Home / 2,302.47-3,453.80-1,308.20

Finding the Fourth Proportional to 2,302.47, 3,453.80 and 1,308.20

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Solution

The fourth proportional to 2,302.47, 3,453.80 and 1,308.20 is: 1,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.47 : 3,453.80 = 1,308.20 : x
  2. Step 2: Convert to fraction form
    2,302.47/3,453.80 = 1,308.20/x
  3. Step 3: Cross multiply
    2,302.47x = 3,453.80 × 1,308.20
  4. Step 4: Simplify right side
    2,302.47x = 4,518,237.35
  5. Step 5: Solve for x
    x = 4,518,237.35/2,302.47
  6. Step 6: Final answer
    x = 1,962.34

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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.