Home / 3,024.90-4,166.55-2,139.18

Finding the Fourth Proportional to 3,024.90, 4,166.55 and 2,139.18

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Solution

The fourth proportional to 3,024.90, 4,166.55 and 2,139.18 is: 2,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024.90 : 4,166.55 = 2,139.18 : x
  2. Step 2: Convert to fraction form
    3,024.90/4,166.55 = 2,139.18/x
  3. Step 3: Cross multiply
    3,024.90x = 4,166.55 × 2,139.18
  4. Step 4: Simplify right side
    3,024.90x = 8,913,000.43
  5. Step 5: Solve for x
    x = 8,913,000.43/3,024.90
  6. Step 6: Final answer
    x = 2,946.54

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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.