Home / 1,483.24-2,225.08-509.12

Finding the Fourth Proportional to 1,483.24, 2,225.08 and 509.12

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Solution

The fourth proportional to 1,483.24, 2,225.08 and 509.12 is: 763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.24 : 2,225.08 = 509.12 : x
  2. Step 2: Convert to fraction form
    1,483.24/2,225.08 = 509.12/x
  3. Step 3: Cross multiply
    1,483.24x = 2,225.08 × 509.12
  4. Step 4: Simplify right side
    1,483.24x = 1,132,832.73
  5. Step 5: Solve for x
    x = 1,132,832.73/1,483.24
  6. Step 6: Final answer
    x = 763.76

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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.