Home / 2,579.85-3,560.76-1,695.74

Finding the Fourth Proportional to 2,579.85, 3,560.76 and 1,695.74

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Solution

The fourth proportional to 2,579.85, 3,560.76 and 1,695.74 is: 2,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.85 : 3,560.76 = 1,695.74 : x
  2. Step 2: Convert to fraction form
    2,579.85/3,560.76 = 1,695.74/x
  3. Step 3: Cross multiply
    2,579.85x = 3,560.76 × 1,695.74
  4. Step 4: Simplify right side
    2,579.85x = 6,038,105.36
  5. Step 5: Solve for x
    x = 6,038,105.36/2,579.85
  6. Step 6: Final answer
    x = 2,340.49

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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.