Home / 2,580.16-3,560.64-1,401.24

Finding the Fourth Proportional to 2,580.16, 3,560.64 and 1,401.24

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Solution

The fourth proportional to 2,580.16, 3,560.64 and 1,401.24 is: 1,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.16 : 3,560.64 = 1,401.24 : x
  2. Step 2: Convert to fraction form
    2,580.16/3,560.64 = 1,401.24/x
  3. Step 3: Cross multiply
    2,580.16x = 3,560.64 × 1,401.24
  4. Step 4: Simplify right side
    2,580.16x = 4,989,311.19
  5. Step 5: Solve for x
    x = 4,989,311.19/2,580.16
  6. Step 6: Final answer
    x = 1,933.72

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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.