Home / 1,485.71-2,050.39-926.24

Finding the Fourth Proportional to 1,485.71, 2,050.39 and 926.24

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Solution

The fourth proportional to 1,485.71, 2,050.39 and 926.24 is: 1,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.71 : 2,050.39 = 926.24 : x
  2. Step 2: Convert to fraction form
    1,485.71/2,050.39 = 926.24/x
  3. Step 3: Cross multiply
    1,485.71x = 2,050.39 × 926.24
  4. Step 4: Simplify right side
    1,485.71x = 1,899,148.60
  5. Step 5: Solve for x
    x = 1,899,148.60/1,485.71
  6. Step 6: Final answer
    x = 1,278.28

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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.