Home / 1,134.10-1,701.08-403.58

Finding the Fourth Proportional to 1,134.10, 1,701.08 and 403.58

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Solution

The fourth proportional to 1,134.10, 1,701.08 and 403.58 is: 605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.10 : 1,701.08 = 403.58 : x
  2. Step 2: Convert to fraction form
    1,134.10/1,701.08 = 403.58/x
  3. Step 3: Cross multiply
    1,134.10x = 1,701.08 × 403.58
  4. Step 4: Simplify right side
    1,134.10x = 686,521.87
  5. Step 5: Solve for x
    x = 686,521.87/1,134.10
  6. Step 6: Final answer
    x = 605.35

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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.