Home / 2,901.39-4,004.55-1,782.92

Finding the Fourth Proportional to 2,901.39, 4,004.55 and 1,782.92

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Solution

The fourth proportional to 2,901.39, 4,004.55 and 1,782.92 is: 2,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.39 : 4,004.55 = 1,782.92 : x
  2. Step 2: Convert to fraction form
    2,901.39/4,004.55 = 1,782.92/x
  3. Step 3: Cross multiply
    2,901.39x = 4,004.55 × 1,782.92
  4. Step 4: Simplify right side
    2,901.39x = 7,139,772.26
  5. Step 5: Solve for x
    x = 7,139,772.26/2,901.39
  6. Step 6: Final answer
    x = 2,460.81

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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.