Home / 3,124.04-4,683.74-1,478.66

Finding the Fourth Proportional to 3,124.04, 4,683.74 and 1,478.66

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Solution

The fourth proportional to 3,124.04, 4,683.74 and 1,478.66 is: 2,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.04 : 4,683.74 = 1,478.66 : x
  2. Step 2: Convert to fraction form
    3,124.04/4,683.74 = 1,478.66/x
  3. Step 3: Cross multiply
    3,124.04x = 4,683.74 × 1,478.66
  4. Step 4: Simplify right side
    3,124.04x = 6,925,628.18
  5. Step 5: Solve for x
    x = 6,925,628.18/3,124.04
  6. Step 6: Final answer
    x = 2,216.89

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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.