Home / 1,483.04-2,224.48-509.20

Finding the Fourth Proportional to 1,483.04, 2,224.48 and 509.20

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Solution

The fourth proportional to 1,483.04, 2,224.48 and 509.20 is: 763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.04 : 2,224.48 = 509.20 : x
  2. Step 2: Convert to fraction form
    1,483.04/2,224.48 = 509.20/x
  3. Step 3: Cross multiply
    1,483.04x = 2,224.48 × 509.20
  4. Step 4: Simplify right side
    1,483.04x = 1,132,705.22
  5. Step 5: Solve for x
    x = 1,132,705.22/1,483.04
  6. Step 6: Final answer
    x = 763.77

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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.