Home / 1,470.19-2,205.34-374.58

Finding the Fourth Proportional to 1,470.19, 2,205.34 and 374.58

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Solution

The fourth proportional to 1,470.19, 2,205.34 and 374.58 is: 561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.19 : 2,205.34 = 374.58 : x
  2. Step 2: Convert to fraction form
    1,470.19/2,205.34 = 374.58/x
  3. Step 3: Cross multiply
    1,470.19x = 2,205.34 × 374.58
  4. Step 4: Simplify right side
    1,470.19x = 826,076.26
  5. Step 5: Solve for x
    x = 826,076.26/1,470.19
  6. Step 6: Final answer
    x = 561.88

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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.