Home / 1,630.22-2,445.75-476.06

Finding the Fourth Proportional to 1,630.22, 2,445.75 and 476.06

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Solution

The fourth proportional to 1,630.22, 2,445.75 and 476.06 is: 714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.22 : 2,445.75 = 476.06 : x
  2. Step 2: Convert to fraction form
    1,630.22/2,445.75 = 476.06/x
  3. Step 3: Cross multiply
    1,630.22x = 2,445.75 × 476.06
  4. Step 4: Simplify right side
    1,630.22x = 1,164,323.75
  5. Step 5: Solve for x
    x = 1,164,323.75/1,630.22
  6. Step 6: Final answer
    x = 714.21

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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.