Home / 2,814.10-4,215.76-1,577.76

Finding the Fourth Proportional to 2,814.10, 4,215.76 and 1,577.76

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Solution

The fourth proportional to 2,814.10, 4,215.76 and 1,577.76 is: 2,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.10 : 4,215.76 = 1,577.76 : x
  2. Step 2: Convert to fraction form
    2,814.10/4,215.76 = 1,577.76/x
  3. Step 3: Cross multiply
    2,814.10x = 4,215.76 × 1,577.76
  4. Step 4: Simplify right side
    2,814.10x = 6,651,457.50
  5. Step 5: Solve for x
    x = 6,651,457.50/2,814.10
  6. Step 6: Final answer
    x = 2,363.62

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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.