Home / 2,043.04-2,814.48-1,686.64

Finding the Fourth Proportional to 2,043.04, 2,814.48 and 1,686.64

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Solution

The fourth proportional to 2,043.04, 2,814.48 and 1,686.64 is: 2,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.04 : 2,814.48 = 1,686.64 : x
  2. Step 2: Convert to fraction form
    2,043.04/2,814.48 = 1,686.64/x
  3. Step 3: Cross multiply
    2,043.04x = 2,814.48 × 1,686.64
  4. Step 4: Simplify right side
    2,043.04x = 4,747,014.55
  5. Step 5: Solve for x
    x = 4,747,014.55/2,043.04
  6. Step 6: Final answer
    x = 2,323.51

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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.