Home / 3,031.79-4,538.27-1,641.67

Finding the Fourth Proportional to 3,031.79, 4,538.27 and 1,641.67

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Solution

The fourth proportional to 3,031.79, 4,538.27 and 1,641.67 is: 2,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.79 : 4,538.27 = 1,641.67 : x
  2. Step 2: Convert to fraction form
    3,031.79/4,538.27 = 1,641.67/x
  3. Step 3: Cross multiply
    3,031.79x = 4,538.27 × 1,641.67
  4. Step 4: Simplify right side
    3,031.79x = 7,450,339.18
  5. Step 5: Solve for x
    x = 7,450,339.18/3,031.79
  6. Step 6: Final answer
    x = 2,457.41

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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.