Home / 1,675.19-2,511.47-578.99

Finding the Fourth Proportional to 1,675.19, 2,511.47 and 578.99

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Solution

The fourth proportional to 1,675.19, 2,511.47 and 578.99 is: 868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.19 : 2,511.47 = 578.99 : x
  2. Step 2: Convert to fraction form
    1,675.19/2,511.47 = 578.99/x
  3. Step 3: Cross multiply
    1,675.19x = 2,511.47 × 578.99
  4. Step 4: Simplify right side
    1,675.19x = 1,454,123.74
  5. Step 5: Solve for x
    x = 1,454,123.74/1,675.19
  6. Step 6: Final answer
    x = 868.03

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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.