Home / 2,621.07-3,910.41-2,358.63

Finding the Fourth Proportional to 2,621.07, 3,910.41 and 2,358.63

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Solution

The fourth proportional to 2,621.07, 3,910.41 and 2,358.63 is: 3,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.07 : 3,910.41 = 2,358.63 : x
  2. Step 2: Convert to fraction form
    2,621.07/3,910.41 = 2,358.63/x
  3. Step 3: Cross multiply
    2,621.07x = 3,910.41 × 2,358.63
  4. Step 4: Simplify right side
    2,621.07x = 9,223,210.34
  5. Step 5: Solve for x
    x = 9,223,210.34/2,621.07
  6. Step 6: Final answer
    x = 3,518.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.