Home / 2,580.09-3,560.49-1,401.18

Finding the Fourth Proportional to 2,580.09, 3,560.49 and 1,401.18

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Solution

The fourth proportional to 2,580.09, 3,560.49 and 1,401.18 is: 1,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.09 : 3,560.49 = 1,401.18 : x
  2. Step 2: Convert to fraction form
    2,580.09/3,560.49 = 1,401.18/x
  3. Step 3: Cross multiply
    2,580.09x = 3,560.49 × 1,401.18
  4. Step 4: Simplify right side
    2,580.09x = 4,988,887.38
  5. Step 5: Solve for x
    x = 4,988,887.38/2,580.09
  6. Step 6: Final answer
    x = 1,933.61

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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.