Home / 1,942.57-2,913.37-555.92

Finding the Fourth Proportional to 1,942.57, 2,913.37 and 555.92

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Solution

The fourth proportional to 1,942.57, 2,913.37 and 555.92 is: 833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.57 : 2,913.37 = 555.92 : x
  2. Step 2: Convert to fraction form
    1,942.57/2,913.37 = 555.92/x
  3. Step 3: Cross multiply
    1,942.57x = 2,913.37 × 555.92
  4. Step 4: Simplify right side
    1,942.57x = 1,619,600.65
  5. Step 5: Solve for x
    x = 1,619,600.65/1,942.57
  6. Step 6: Final answer
    x = 833.74

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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.