Home / 2,946.28-4,062.18-2,477.80

Finding the Fourth Proportional to 2,946.28, 4,062.18 and 2,477.80

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Solution

The fourth proportional to 2,946.28, 4,062.18 and 2,477.80 is: 3,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.28 : 4,062.18 = 2,477.80 : x
  2. Step 2: Convert to fraction form
    2,946.28/4,062.18 = 2,477.80/x
  3. Step 3: Cross multiply
    2,946.28x = 4,062.18 × 2,477.80
  4. Step 4: Simplify right side
    2,946.28x = 10,065,269.60
  5. Step 5: Solve for x
    x = 10,065,269.60/2,946.28
  6. Step 6: Final answer
    x = 3,416.26

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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.