Home / 3,852.58-5,777.51-1,386.74

Finding the Fourth Proportional to 3,852.58, 5,777.51 and 1,386.74

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Solution

The fourth proportional to 3,852.58, 5,777.51 and 1,386.74 is: 2,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.58 : 5,777.51 = 1,386.74 : x
  2. Step 2: Convert to fraction form
    3,852.58/5,777.51 = 1,386.74/x
  3. Step 3: Cross multiply
    3,852.58x = 5,777.51 × 1,386.74
  4. Step 4: Simplify right side
    3,852.58x = 8,011,904.22
  5. Step 5: Solve for x
    x = 8,011,904.22/3,852.58
  6. Step 6: Final answer
    x = 2,079.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.