Home / 2,509.51-3,761.56-1,120.93

Finding the Fourth Proportional to 2,509.51, 3,761.56 and 1,120.93

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Solution

The fourth proportional to 2,509.51, 3,761.56 and 1,120.93 is: 1,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.51 : 3,761.56 = 1,120.93 : x
  2. Step 2: Convert to fraction form
    2,509.51/3,761.56 = 1,120.93/x
  3. Step 3: Cross multiply
    2,509.51x = 3,761.56 × 1,120.93
  4. Step 4: Simplify right side
    2,509.51x = 4,216,421.04
  5. Step 5: Solve for x
    x = 4,216,421.04/2,509.51
  6. Step 6: Final answer
    x = 1,680.18

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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.