Home / 2,972.80-4,461.36-1,026.64

Finding the Fourth Proportional to 2,972.80, 4,461.36 and 1,026.64

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Solution

The fourth proportional to 2,972.80, 4,461.36 and 1,026.64 is: 1,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.80 : 4,461.36 = 1,026.64 : x
  2. Step 2: Convert to fraction form
    2,972.80/4,461.36 = 1,026.64/x
  3. Step 3: Cross multiply
    2,972.80x = 4,461.36 × 1,026.64
  4. Step 4: Simplify right side
    2,972.80x = 4,580,210.63
  5. Step 5: Solve for x
    x = 4,580,210.63/2,972.80
  6. Step 6: Final answer
    x = 1,540.71

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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.