Home / 3,072.46-4,607.88-1,124.68

Finding the Fourth Proportional to 3,072.46, 4,607.88 and 1,124.68

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Solution

The fourth proportional to 3,072.46, 4,607.88 and 1,124.68 is: 1,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.46 : 4,607.88 = 1,124.68 : x
  2. Step 2: Convert to fraction form
    3,072.46/4,607.88 = 1,124.68/x
  3. Step 3: Cross multiply
    3,072.46x = 4,607.88 × 1,124.68
  4. Step 4: Simplify right side
    3,072.46x = 5,182,390.48
  5. Step 5: Solve for x
    x = 5,182,390.48/3,072.46
  6. Step 6: Final answer
    x = 1,686.72

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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.