Home / 3,050.51-4,210.49-1,931.99

Finding the Fourth Proportional to 3,050.51, 4,210.49 and 1,931.99

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Solution

The fourth proportional to 3,050.51, 4,210.49 and 1,931.99 is: 2,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.51 : 4,210.49 = 1,931.99 : x
  2. Step 2: Convert to fraction form
    3,050.51/4,210.49 = 1,931.99/x
  3. Step 3: Cross multiply
    3,050.51x = 4,210.49 × 1,931.99
  4. Step 4: Simplify right side
    3,050.51x = 8,134,608.35
  5. Step 5: Solve for x
    x = 8,134,608.35/3,050.51
  6. Step 6: Final answer
    x = 2,666.64

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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.