Home / 3,045.80-4,200.73-2,574.99

Finding the Fourth Proportional to 3,045.80, 4,200.73 and 2,574.99

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Solution

The fourth proportional to 3,045.80, 4,200.73 and 2,574.99 is: 3,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.80 : 4,200.73 = 2,574.99 : x
  2. Step 2: Convert to fraction form
    3,045.80/4,200.73 = 2,574.99/x
  3. Step 3: Cross multiply
    3,045.80x = 4,200.73 × 2,574.99
  4. Step 4: Simplify right side
    3,045.80x = 10,816,831.31
  5. Step 5: Solve for x
    x = 10,816,831.31/3,045.80
  6. Step 6: Final answer
    x = 3,551.39

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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.