Home / 3,153.40-4,726.75-1,506.47

Finding the Fourth Proportional to 3,153.40, 4,726.75 and 1,506.47

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Solution

The fourth proportional to 3,153.40, 4,726.75 and 1,506.47 is: 2,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.40 : 4,726.75 = 1,506.47 : x
  2. Step 2: Convert to fraction form
    3,153.40/4,726.75 = 1,506.47/x
  3. Step 3: Cross multiply
    3,153.40x = 4,726.75 × 1,506.47
  4. Step 4: Simplify right side
    3,153.40x = 7,120,707.07
  5. Step 5: Solve for x
    x = 7,120,707.07/3,153.40
  6. Step 6: Final answer
    x = 2,258.10

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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.