Home / 3,124.74-4,686.90-1,482.60

Finding the Fourth Proportional to 3,124.74, 4,686.90 and 1,482.60

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Solution

The fourth proportional to 3,124.74, 4,686.90 and 1,482.60 is: 2,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.74 : 4,686.90 = 1,482.60 : x
  2. Step 2: Convert to fraction form
    3,124.74/4,686.90 = 1,482.60/x
  3. Step 3: Cross multiply
    3,124.74x = 4,686.90 × 1,482.60
  4. Step 4: Simplify right side
    3,124.74x = 6,948,797.94
  5. Step 5: Solve for x
    x = 6,948,797.94/3,124.74
  6. Step 6: Final answer
    x = 2,223.80

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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.