Home / 3,210.90-4,817.70-1,566.60

Finding the Fourth Proportional to 3,210.90, 4,817.70 and 1,566.60

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Solution

The fourth proportional to 3,210.90, 4,817.70 and 1,566.60 is: 2,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.90 : 4,817.70 = 1,566.60 : x
  2. Step 2: Convert to fraction form
    3,210.90/4,817.70 = 1,566.60/x
  3. Step 3: Cross multiply
    3,210.90x = 4,817.70 × 1,566.60
  4. Step 4: Simplify right side
    3,210.90x = 7,547,408.82
  5. Step 5: Solve for x
    x = 7,547,408.82/3,210.90
  6. Step 6: Final answer
    x = 2,350.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.