Home / 2,133.48-2,942.91-1,575.39

Finding the Fourth Proportional to 2,133.48, 2,942.91 and 1,575.39

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Solution

The fourth proportional to 2,133.48, 2,942.91 and 1,575.39 is: 2,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.48 : 2,942.91 = 1,575.39 : x
  2. Step 2: Convert to fraction form
    2,133.48/2,942.91 = 1,575.39/x
  3. Step 3: Cross multiply
    2,133.48x = 2,942.91 × 1,575.39
  4. Step 4: Simplify right side
    2,133.48x = 4,636,230.98
  5. Step 5: Solve for x
    x = 4,636,230.98/2,133.48
  6. Step 6: Final answer
    x = 2,173.08

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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.