Home / 1,506.10-2,074.07-1,225.43

Finding the Fourth Proportional to 1,506.10, 2,074.07 and 1,225.43

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Solution

The fourth proportional to 1,506.10, 2,074.07 and 1,225.43 is: 1,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.10 : 2,074.07 = 1,225.43 : x
  2. Step 2: Convert to fraction form
    1,506.10/2,074.07 = 1,225.43/x
  3. Step 3: Cross multiply
    1,506.10x = 2,074.07 × 1,225.43
  4. Step 4: Simplify right side
    1,506.10x = 2,541,621.47
  5. Step 5: Solve for x
    x = 2,541,621.47/1,506.10
  6. Step 6: Final answer
    x = 1,687.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.