Home / 3,072.60-4,607.64-1,223.46

Finding the Fourth Proportional to 3,072.60, 4,607.64 and 1,223.46

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Solution

The fourth proportional to 3,072.60, 4,607.64 and 1,223.46 is: 1,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.60 : 4,607.64 = 1,223.46 : x
  2. Step 2: Convert to fraction form
    3,072.60/4,607.64 = 1,223.46/x
  3. Step 3: Cross multiply
    3,072.60x = 4,607.64 × 1,223.46
  4. Step 4: Simplify right side
    3,072.60x = 5,637,263.23
  5. Step 5: Solve for x
    x = 5,637,263.23/3,072.60
  6. Step 6: Final answer
    x = 1,834.69

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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.