Home / 1,613.18-2,423.81-1,028.45

Finding the Fourth Proportional to 1,613.18, 2,423.81 and 1,028.45

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Solution

The fourth proportional to 1,613.18, 2,423.81 and 1,028.45 is: 1,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.18 : 2,423.81 = 1,028.45 : x
  2. Step 2: Convert to fraction form
    1,613.18/2,423.81 = 1,028.45/x
  3. Step 3: Cross multiply
    1,613.18x = 2,423.81 × 1,028.45
  4. Step 4: Simplify right side
    1,613.18x = 2,492,776.03
  5. Step 5: Solve for x
    x = 2,492,776.03/1,613.18
  6. Step 6: Final answer
    x = 1,545.25

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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.