Home / 2,064.81-2,847.78-1,666.37

Finding the Fourth Proportional to 2,064.81, 2,847.78 and 1,666.37

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Solution

The fourth proportional to 2,064.81, 2,847.78 and 1,666.37 is: 2,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.81 : 2,847.78 = 1,666.37 : x
  2. Step 2: Convert to fraction form
    2,064.81/2,847.78 = 1,666.37/x
  3. Step 3: Cross multiply
    2,064.81x = 2,847.78 × 1,666.37
  4. Step 4: Simplify right side
    2,064.81x = 4,745,440.92
  5. Step 5: Solve for x
    x = 4,745,440.92/2,064.81
  6. Step 6: Final answer
    x = 2,298.25

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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.