Home / 1,155.16-1,733.15-506.35

Finding the Fourth Proportional to 1,155.16, 1,733.15 and 506.35

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Solution

The fourth proportional to 1,155.16, 1,733.15 and 506.35 is: 759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.16 : 1,733.15 = 506.35 : x
  2. Step 2: Convert to fraction form
    1,155.16/1,733.15 = 506.35/x
  3. Step 3: Cross multiply
    1,155.16x = 1,733.15 × 506.35
  4. Step 4: Simplify right side
    1,155.16x = 877,580.50
  5. Step 5: Solve for x
    x = 877,580.50/1,155.16
  6. Step 6: Final answer
    x = 759.70

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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.