Home / 1,531.51-2,295.84-556.88

Finding the Fourth Proportional to 1,531.51, 2,295.84 and 556.88

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Solution

The fourth proportional to 1,531.51, 2,295.84 and 556.88 is: 834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.51 : 2,295.84 = 556.88 : x
  2. Step 2: Convert to fraction form
    1,531.51/2,295.84 = 556.88/x
  3. Step 3: Cross multiply
    1,531.51x = 2,295.84 × 556.88
  4. Step 4: Simplify right side
    1,531.51x = 1,278,497.99
  5. Step 5: Solve for x
    x = 1,278,497.99/1,531.51
  6. Step 6: Final answer
    x = 834.80

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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.