Home / 2,946.99-4,420.62-2,085.15

Finding the Fourth Proportional to 2,946.99, 4,420.62 and 2,085.15

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Solution

The fourth proportional to 2,946.99, 4,420.62 and 2,085.15 is: 3,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.99 : 4,420.62 = 2,085.15 : x
  2. Step 2: Convert to fraction form
    2,946.99/4,420.62 = 2,085.15/x
  3. Step 3: Cross multiply
    2,946.99x = 4,420.62 × 2,085.15
  4. Step 4: Simplify right side
    2,946.99x = 9,217,655.79
  5. Step 5: Solve for x
    x = 9,217,655.79/2,946.99
  6. Step 6: Final answer
    x = 3,127.82

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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.