Home / 3,088.77-4,631.99-1,113.87

Finding the Fourth Proportional to 3,088.77, 4,631.99 and 1,113.87

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Solution

The fourth proportional to 3,088.77, 4,631.99 and 1,113.87 is: 1,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.77 : 4,631.99 = 1,113.87 : x
  2. Step 2: Convert to fraction form
    3,088.77/4,631.99 = 1,113.87/x
  3. Step 3: Cross multiply
    3,088.77x = 4,631.99 × 1,113.87
  4. Step 4: Simplify right side
    3,088.77x = 5,159,434.70
  5. Step 5: Solve for x
    x = 5,159,434.70/3,088.77
  6. Step 6: Final answer
    x = 1,670.38

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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.