Home / 2,672.49-4,009.47-1,113.23

Finding the Fourth Proportional to 2,672.49, 4,009.47 and 1,113.23

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Solution

The fourth proportional to 2,672.49, 4,009.47 and 1,113.23 is: 1,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.49 : 4,009.47 = 1,113.23 : x
  2. Step 2: Convert to fraction form
    2,672.49/4,009.47 = 1,113.23/x
  3. Step 3: Cross multiply
    2,672.49x = 4,009.47 × 1,113.23
  4. Step 4: Simplify right side
    2,672.49x = 4,463,442.24
  5. Step 5: Solve for x
    x = 4,463,442.24/2,672.49
  6. Step 6: Final answer
    x = 1,670.14

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1.5x scale

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.