Home / 3,153.67-4,352.06-1,756.42

Finding the Fourth Proportional to 3,153.67, 4,352.06 and 1,756.42

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Solution

The fourth proportional to 3,153.67, 4,352.06 and 1,756.42 is: 2,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.67 : 4,352.06 = 1,756.42 : x
  2. Step 2: Convert to fraction form
    3,153.67/4,352.06 = 1,756.42/x
  3. Step 3: Cross multiply
    3,153.67x = 4,352.06 × 1,756.42
  4. Step 4: Simplify right side
    3,153.67x = 7,644,038.74
  5. Step 5: Solve for x
    x = 7,644,038.74/3,153.67
  6. Step 6: Final answer
    x = 2,423.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.