Home / 3,124.58-4,685.76-1,370.43

Finding the Fourth Proportional to 3,124.58, 4,685.76 and 1,370.43

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Solution

The fourth proportional to 3,124.58, 4,685.76 and 1,370.43 is: 2,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.58 : 4,685.76 = 1,370.43 : x
  2. Step 2: Convert to fraction form
    3,124.58/4,685.76 = 1,370.43/x
  3. Step 3: Cross multiply
    3,124.58x = 4,685.76 × 1,370.43
  4. Step 4: Simplify right side
    3,124.58x = 6,421,506.08
  5. Step 5: Solve for x
    x = 6,421,506.08/3,124.58
  6. Step 6: Final answer
    x = 2,055.16

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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.