Home / 1,513.79-2,264.06-1,403.09

Finding the Fourth Proportional to 1,513.79, 2,264.06 and 1,403.09

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Solution

The fourth proportional to 1,513.79, 2,264.06 and 1,403.09 is: 2,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.79 : 2,264.06 = 1,403.09 : x
  2. Step 2: Convert to fraction form
    1,513.79/2,264.06 = 1,403.09/x
  3. Step 3: Cross multiply
    1,513.79x = 2,264.06 × 1,403.09
  4. Step 4: Simplify right side
    1,513.79x = 3,176,661.61
  5. Step 5: Solve for x
    x = 3,176,661.61/1,513.79
  6. Step 6: Final answer
    x = 2,098.49

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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.