Home / 1,630.24-2,445.68-604.32

Finding the Fourth Proportional to 1,630.24, 2,445.68 and 604.32

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Solution

The fourth proportional to 1,630.24, 2,445.68 and 604.32 is: 906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.24 : 2,445.68 = 604.32 : x
  2. Step 2: Convert to fraction form
    1,630.24/2,445.68 = 604.32/x
  3. Step 3: Cross multiply
    1,630.24x = 2,445.68 × 604.32
  4. Step 4: Simplify right side
    1,630.24x = 1,477,973.34
  5. Step 5: Solve for x
    x = 1,477,973.34/1,630.24
  6. Step 6: Final answer
    x = 906.60

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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.