Home / 1,632.19-2,442.22-974.42

Finding the Fourth Proportional to 1,632.19, 2,442.22 and 974.42

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Solution

The fourth proportional to 1,632.19, 2,442.22 and 974.42 is: 1,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.19 : 2,442.22 = 974.42 : x
  2. Step 2: Convert to fraction form
    1,632.19/2,442.22 = 974.42/x
  3. Step 3: Cross multiply
    1,632.19x = 2,442.22 × 974.42
  4. Step 4: Simplify right side
    1,632.19x = 2,379,748.01
  5. Step 5: Solve for x
    x = 2,379,748.01/1,632.19
  6. Step 6: Final answer
    x = 1,458.01

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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.