Home / 1,859.09-2,788.43-560.52

Finding the Fourth Proportional to 1,859.09, 2,788.43 and 560.52

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Solution

The fourth proportional to 1,859.09, 2,788.43 and 560.52 is: 840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.09 : 2,788.43 = 560.52 : x
  2. Step 2: Convert to fraction form
    1,859.09/2,788.43 = 560.52/x
  3. Step 3: Cross multiply
    1,859.09x = 2,788.43 × 560.52
  4. Step 4: Simplify right side
    1,859.09x = 1,562,967.98
  5. Step 5: Solve for x
    x = 1,562,967.98/1,859.09
  6. Step 6: Final answer
    x = 840.72

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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.