Home / 2,866.42-3,955.33-1,607.48

Finding the Fourth Proportional to 2,866.42, 3,955.33 and 1,607.48

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Solution

The fourth proportional to 2,866.42, 3,955.33 and 1,607.48 is: 2,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.42 : 3,955.33 = 1,607.48 : x
  2. Step 2: Convert to fraction form
    2,866.42/3,955.33 = 1,607.48/x
  3. Step 3: Cross multiply
    2,866.42x = 3,955.33 × 1,607.48
  4. Step 4: Simplify right side
    2,866.42x = 6,358,110.93
  5. Step 5: Solve for x
    x = 6,358,110.93/2,866.42
  6. Step 6: Final answer
    x = 2,218.14

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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.