Home / 2,970.66-4,452.69-1,506.78

Finding the Fourth Proportional to 2,970.66, 4,452.69 and 1,506.78

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Solution

The fourth proportional to 2,970.66, 4,452.69 and 1,506.78 is: 2,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.66 : 4,452.69 = 1,506.78 : x
  2. Step 2: Convert to fraction form
    2,970.66/4,452.69 = 1,506.78/x
  3. Step 3: Cross multiply
    2,970.66x = 4,452.69 × 1,506.78
  4. Step 4: Simplify right side
    2,970.66x = 6,709,224.24
  5. Step 5: Solve for x
    x = 6,709,224.24/2,970.66
  6. Step 6: Final answer
    x = 2,258.50

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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.