Home / 3,015.48-4,530.15-2,140.17

Finding the Fourth Proportional to 3,015.48, 4,530.15 and 2,140.17

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Solution

The fourth proportional to 3,015.48, 4,530.15 and 2,140.17 is: 3,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.48 : 4,530.15 = 2,140.17 : x
  2. Step 2: Convert to fraction form
    3,015.48/4,530.15 = 2,140.17/x
  3. Step 3: Cross multiply
    3,015.48x = 4,530.15 × 2,140.17
  4. Step 4: Simplify right side
    3,015.48x = 9,695,291.13
  5. Step 5: Solve for x
    x = 9,695,291.13/3,015.48
  6. Step 6: Final answer
    x = 3,215.17

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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.