Home / 2,545.48-3,818.58-1,313.02

Finding the Fourth Proportional to 2,545.48, 3,818.58 and 1,313.02

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Solution

The fourth proportional to 2,545.48, 3,818.58 and 1,313.02 is: 1,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.48 : 3,818.58 = 1,313.02 : x
  2. Step 2: Convert to fraction form
    2,545.48/3,818.58 = 1,313.02/x
  3. Step 3: Cross multiply
    2,545.48x = 3,818.58 × 1,313.02
  4. Step 4: Simplify right side
    2,545.48x = 5,013,871.91
  5. Step 5: Solve for x
    x = 5,013,871.91/2,545.48
  6. Step 6: Final answer
    x = 1,969.72

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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.