Home / 1,557.45-2,334.77-569.58

Finding the Fourth Proportional to 1,557.45, 2,334.77 and 569.58

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Solution

The fourth proportional to 1,557.45, 2,334.77 and 569.58 is: 853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.45 : 2,334.77 = 569.58 : x
  2. Step 2: Convert to fraction form
    1,557.45/2,334.77 = 569.58/x
  3. Step 3: Cross multiply
    1,557.45x = 2,334.77 × 569.58
  4. Step 4: Simplify right side
    1,557.45x = 1,329,826.62
  5. Step 5: Solve for x
    x = 1,329,826.62/1,557.45
  6. Step 6: Final answer
    x = 853.85

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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.