Home / 3,220.24-4,830.40-1,029.16

Finding the Fourth Proportional to 3,220.24, 4,830.40 and 1,029.16

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Solution

The fourth proportional to 3,220.24, 4,830.40 and 1,029.16 is: 1,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.24 : 4,830.40 = 1,029.16 : x
  2. Step 2: Convert to fraction form
    3,220.24/4,830.40 = 1,029.16/x
  3. Step 3: Cross multiply
    3,220.24x = 4,830.40 × 1,029.16
  4. Step 4: Simplify right side
    3,220.24x = 4,971,254.46
  5. Step 5: Solve for x
    x = 4,971,254.46/3,220.24
  6. Step 6: Final answer
    x = 1,543.75

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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.