Home / 2,545.13-3,818.73-1,376.57

Finding the Fourth Proportional to 2,545.13, 3,818.73 and 1,376.57

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Solution

The fourth proportional to 2,545.13, 3,818.73 and 1,376.57 is: 2,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.13 : 3,818.73 = 1,376.57 : x
  2. Step 2: Convert to fraction form
    2,545.13/3,818.73 = 1,376.57/x
  3. Step 3: Cross multiply
    2,545.13x = 3,818.73 × 1,376.57
  4. Step 4: Simplify right side
    2,545.13x = 5,256,749.16
  5. Step 5: Solve for x
    x = 5,256,749.16/2,545.13
  6. Step 6: Final answer
    x = 2,065.41

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1.5x scale

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.