Home / 3,210.60-4,426.74-2,214.30

Finding the Fourth Proportional to 3,210.60, 4,426.74 and 2,214.30

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Solution

The fourth proportional to 3,210.60, 4,426.74 and 2,214.30 is: 3,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.60 : 4,426.74 = 2,214.30 : x
  2. Step 2: Convert to fraction form
    3,210.60/4,426.74 = 2,214.30/x
  3. Step 3: Cross multiply
    3,210.60x = 4,426.74 × 2,214.30
  4. Step 4: Simplify right side
    3,210.60x = 9,802,130.38
  5. Step 5: Solve for x
    x = 9,802,130.38/3,210.60
  6. Step 6: Final answer
    x = 3,053.05

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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.