Home / 3,031.48-4,548.18-1,491.40

Finding the Fourth Proportional to 3,031.48, 4,548.18 and 1,491.40

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Solution

The fourth proportional to 3,031.48, 4,548.18 and 1,491.40 is: 2,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.48 : 4,548.18 = 1,491.40 : x
  2. Step 2: Convert to fraction form
    3,031.48/4,548.18 = 1,491.40/x
  3. Step 3: Cross multiply
    3,031.48x = 4,548.18 × 1,491.40
  4. Step 4: Simplify right side
    3,031.48x = 6,783,155.65
  5. Step 5: Solve for x
    x = 6,783,155.65/3,031.48
  6. Step 6: Final answer
    x = 2,237.57

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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.