Home / 1,803.16-2,488.28-1,006.59

Finding the Fourth Proportional to 1,803.16, 2,488.28 and 1,006.59

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Solution

The fourth proportional to 1,803.16, 2,488.28 and 1,006.59 is: 1,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.16 : 2,488.28 = 1,006.59 : x
  2. Step 2: Convert to fraction form
    1,803.16/2,488.28 = 1,006.59/x
  3. Step 3: Cross multiply
    1,803.16x = 2,488.28 × 1,006.59
  4. Step 4: Simplify right side
    1,803.16x = 2,504,678.64
  5. Step 5: Solve for x
    x = 2,504,678.64/1,803.16
  6. Step 6: Final answer
    x = 1,389.05

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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.