Home / 2,577.20-3,555.99-1,457.69

Finding the Fourth Proportional to 2,577.20, 3,555.99 and 1,457.69

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Solution

The fourth proportional to 2,577.20, 3,555.99 and 1,457.69 is: 2,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.20 : 3,555.99 = 1,457.69 : x
  2. Step 2: Convert to fraction form
    2,577.20/3,555.99 = 1,457.69/x
  3. Step 3: Cross multiply
    2,577.20x = 3,555.99 × 1,457.69
  4. Step 4: Simplify right side
    2,577.20x = 5,183,513.28
  5. Step 5: Solve for x
    x = 5,183,513.28/2,577.20
  6. Step 6: Final answer
    x = 2,011.30

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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.