Home / 3,411.20-4,707.05-2,152.13

Finding the Fourth Proportional to 3,411.20, 4,707.05 and 2,152.13

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Solution

The fourth proportional to 3,411.20, 4,707.05 and 2,152.13 is: 2,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.20 : 4,707.05 = 2,152.13 : x
  2. Step 2: Convert to fraction form
    3,411.20/4,707.05 = 2,152.13/x
  3. Step 3: Cross multiply
    3,411.20x = 4,707.05 × 2,152.13
  4. Step 4: Simplify right side
    3,411.20x = 10,130,149.22
  5. Step 5: Solve for x
    x = 10,130,149.22/3,411.20
  6. Step 6: Final answer
    x = 2,969.67

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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.