Home / 1,545.06-2,317.67-505.07

Finding the Fourth Proportional to 1,545.06, 2,317.67 and 505.07

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Solution

The fourth proportional to 1,545.06, 2,317.67 and 505.07 is: 757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.06 : 2,317.67 = 505.07 : x
  2. Step 2: Convert to fraction form
    1,545.06/2,317.67 = 505.07/x
  3. Step 3: Cross multiply
    1,545.06x = 2,317.67 × 505.07
  4. Step 4: Simplify right side
    1,545.06x = 1,170,582.06
  5. Step 5: Solve for x
    x = 1,170,582.06/1,545.06
  6. Step 6: Final answer
    x = 757.63

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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.