Home / 1,504.12-2,076.38-1,007.10

Finding the Fourth Proportional to 1,504.12, 2,076.38 and 1,007.10

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Solution

The fourth proportional to 1,504.12, 2,076.38 and 1,007.10 is: 1,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.12 : 2,076.38 = 1,007.10 : x
  2. Step 2: Convert to fraction form
    1,504.12/2,076.38 = 1,007.10/x
  3. Step 3: Cross multiply
    1,504.12x = 2,076.38 × 1,007.10
  4. Step 4: Simplify right side
    1,504.12x = 2,091,122.30
  5. Step 5: Solve for x
    x = 2,091,122.30/1,504.12
  6. Step 6: Final answer
    x = 1,390.26

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1.5x scale

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.