Home / 1,935.70-2,903.51-474.80

Finding the Fourth Proportional to 1,935.70, 2,903.51 and 474.80

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Solution

The fourth proportional to 1,935.70, 2,903.51 and 474.80 is: 712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.70 : 2,903.51 = 474.80 : x
  2. Step 2: Convert to fraction form
    1,935.70/2,903.51 = 474.80/x
  3. Step 3: Cross multiply
    1,935.70x = 2,903.51 × 474.80
  4. Step 4: Simplify right side
    1,935.70x = 1,378,573.22
  5. Step 5: Solve for x
    x = 1,378,573.22/1,935.70
  6. Step 6: Final answer
    x = 712.18

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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.