Home / 3,210.68-4,430.22-2,030.96

Finding the Fourth Proportional to 3,210.68, 4,430.22 and 2,030.96

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Solution

The fourth proportional to 3,210.68, 4,430.22 and 2,030.96 is: 2,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.68 : 4,430.22 = 2,030.96 : x
  2. Step 2: Convert to fraction form
    3,210.68/4,430.22 = 2,030.96/x
  3. Step 3: Cross multiply
    3,210.68x = 4,430.22 × 2,030.96
  4. Step 4: Simplify right side
    3,210.68x = 8,997,599.61
  5. Step 5: Solve for x
    x = 8,997,599.61/3,210.68
  6. Step 6: Final answer
    x = 2,802.40

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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.