Home / 2,066.40-2,842.65-1,813.23

Finding the Fourth Proportional to 2,066.40, 2,842.65 and 1,813.23

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Solution

The fourth proportional to 2,066.40, 2,842.65 and 1,813.23 is: 2,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.40 : 2,842.65 = 1,813.23 : x
  2. Step 2: Convert to fraction form
    2,066.40/2,842.65 = 1,813.23/x
  3. Step 3: Cross multiply
    2,066.40x = 2,842.65 × 1,813.23
  4. Step 4: Simplify right side
    2,066.40x = 5,154,378.26
  5. Step 5: Solve for x
    x = 5,154,378.26/2,066.40
  6. Step 6: Final answer
    x = 2,494.38

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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.