Home / 2,901.68-4,004.35-1,575.41

Finding the Fourth Proportional to 2,901.68, 4,004.35 and 1,575.41

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Solution

The fourth proportional to 2,901.68, 4,004.35 and 1,575.41 is: 2,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.68 : 4,004.35 = 1,575.41 : x
  2. Step 2: Convert to fraction form
    2,901.68/4,004.35 = 1,575.41/x
  3. Step 3: Cross multiply
    2,901.68x = 4,004.35 × 1,575.41
  4. Step 4: Simplify right side
    2,901.68x = 6,308,477.93
  5. Step 5: Solve for x
    x = 6,308,477.93/2,901.68
  6. Step 6: Final answer
    x = 2,174.08

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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.