Home / 2,501.40-3,751.70-1,040.32

Finding the Fourth Proportional to 2,501.40, 3,751.70 and 1,040.32

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Solution

The fourth proportional to 2,501.40, 3,751.70 and 1,040.32 is: 1,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.40 : 3,751.70 = 1,040.32 : x
  2. Step 2: Convert to fraction form
    2,501.40/3,751.70 = 1,040.32/x
  3. Step 3: Cross multiply
    2,501.40x = 3,751.70 × 1,040.32
  4. Step 4: Simplify right side
    2,501.40x = 3,902,968.54
  5. Step 5: Solve for x
    x = 3,902,968.54/2,501.40
  6. Step 6: Final answer
    x = 1,560.31

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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.