Home / 1,762.97-2,444.18-1,664.55

Finding the Fourth Proportional to 1,762.97, 2,444.18 and 1,664.55

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Solution

The fourth proportional to 1,762.97, 2,444.18 and 1,664.55 is: 2,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.97 : 2,444.18 = 1,664.55 : x
  2. Step 2: Convert to fraction form
    1,762.97/2,444.18 = 1,664.55/x
  3. Step 3: Cross multiply
    1,762.97x = 2,444.18 × 1,664.55
  4. Step 4: Simplify right side
    1,762.97x = 4,068,451.50
  5. Step 5: Solve for x
    x = 4,068,451.50/1,762.97
  6. Step 6: Final answer
    x = 2,307.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.