Home / 2,323.50-3,206.34-1,328.91

Finding the Fourth Proportional to 2,323.50, 3,206.34 and 1,328.91

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Solution

The fourth proportional to 2,323.50, 3,206.34 and 1,328.91 is: 1,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.50 : 3,206.34 = 1,328.91 : x
  2. Step 2: Convert to fraction form
    2,323.50/3,206.34 = 1,328.91/x
  3. Step 3: Cross multiply
    2,323.50x = 3,206.34 × 1,328.91
  4. Step 4: Simplify right side
    2,323.50x = 4,260,937.29
  5. Step 5: Solve for x
    x = 4,260,937.29/2,323.50
  6. Step 6: Final answer
    x = 1,833.84

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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.