Home / 3,390.06-4,677.18-2,210.91

Finding the Fourth Proportional to 3,390.06, 4,677.18 and 2,210.91

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Solution

The fourth proportional to 3,390.06, 4,677.18 and 2,210.91 is: 3,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.06 : 4,677.18 = 2,210.91 : x
  2. Step 2: Convert to fraction form
    3,390.06/4,677.18 = 2,210.91/x
  3. Step 3: Cross multiply
    3,390.06x = 4,677.18 × 2,210.91
  4. Step 4: Simplify right side
    3,390.06x = 10,340,798.20
  5. Step 5: Solve for x
    x = 10,340,798.20/3,390.06
  6. Step 6: Final answer
    x = 3,050.33

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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.