Home / 4,302.80-6,453.24-1,531.20

Finding the Fourth Proportional to 4,302.80, 6,453.24 and 1,531.20

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Solution

The fourth proportional to 4,302.80, 6,453.24 and 1,531.20 is: 2,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.80 : 6,453.24 = 1,531.20 : x
  2. Step 2: Convert to fraction form
    4,302.80/6,453.24 = 1,531.20/x
  3. Step 3: Cross multiply
    4,302.80x = 6,453.24 × 1,531.20
  4. Step 4: Simplify right side
    4,302.80x = 9,881,201.09
  5. Step 5: Solve for x
    x = 9,881,201.09/4,302.80
  6. Step 6: Final answer
    x = 2,296.46

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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.