Home / 1,816.72-2,506.99-1,030.91

Finding the Fourth Proportional to 1,816.72, 2,506.99 and 1,030.91

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Solution

The fourth proportional to 1,816.72, 2,506.99 and 1,030.91 is: 1,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.72 : 2,506.99 = 1,030.91 : x
  2. Step 2: Convert to fraction form
    1,816.72/2,506.99 = 1,030.91/x
  3. Step 3: Cross multiply
    1,816.72x = 2,506.99 × 1,030.91
  4. Step 4: Simplify right side
    1,816.72x = 2,584,475.91
  5. Step 5: Solve for x
    x = 2,584,475.91/1,816.72
  6. Step 6: Final answer
    x = 1,422.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.