Home / 1,719.46-2,579.10-565.12

Finding the Fourth Proportional to 1,719.46, 2,579.10 and 565.12

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Solution

The fourth proportional to 1,719.46, 2,579.10 and 565.12 is: 847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.46 : 2,579.10 = 565.12 : x
  2. Step 2: Convert to fraction form
    1,719.46/2,579.10 = 565.12/x
  3. Step 3: Cross multiply
    1,719.46x = 2,579.10 × 565.12
  4. Step 4: Simplify right side
    1,719.46x = 1,457,500.99
  5. Step 5: Solve for x
    x = 1,457,500.99/1,719.46
  6. Step 6: Final answer
    x = 847.65

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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.