Home / 3,123.28-4,683.98-2,574.10

Finding the Fourth Proportional to 3,123.28, 4,683.98 and 2,574.10

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Solution

The fourth proportional to 3,123.28, 4,683.98 and 2,574.10 is: 3,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.28 : 4,683.98 = 2,574.10 : x
  2. Step 2: Convert to fraction form
    3,123.28/4,683.98 = 2,574.10/x
  3. Step 3: Cross multiply
    3,123.28x = 4,683.98 × 2,574.10
  4. Step 4: Simplify right side
    3,123.28x = 12,057,032.92
  5. Step 5: Solve for x
    x = 12,057,032.92/3,123.28
  6. Step 6: Final answer
    x = 3,860.38

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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.