Home / 1,507.73-2,081.09-1,360.31

Finding the Fourth Proportional to 1,507.73, 2,081.09 and 1,360.31

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Solution

The fourth proportional to 1,507.73, 2,081.09 and 1,360.31 is: 1,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.73 : 2,081.09 = 1,360.31 : x
  2. Step 2: Convert to fraction form
    1,507.73/2,081.09 = 1,360.31/x
  3. Step 3: Cross multiply
    1,507.73x = 2,081.09 × 1,360.31
  4. Step 4: Simplify right side
    1,507.73x = 2,830,920.53
  5. Step 5: Solve for x
    x = 2,830,920.53/1,507.73
  6. Step 6: Final answer
    x = 1,877.61

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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.