Home / 1,572.05-2,169.10-942.41

Finding the Fourth Proportional to 1,572.05, 2,169.10 and 942.41

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Solution

The fourth proportional to 1,572.05, 2,169.10 and 942.41 is: 1,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.05 : 2,169.10 = 942.41 : x
  2. Step 2: Convert to fraction form
    1,572.05/2,169.10 = 942.41/x
  3. Step 3: Cross multiply
    1,572.05x = 2,169.10 × 942.41
  4. Step 4: Simplify right side
    1,572.05x = 2,044,181.53
  5. Step 5: Solve for x
    x = 2,044,181.53/1,572.05
  6. Step 6: Final answer
    x = 1,300.33

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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.