Home / 2,990.04-4,480.48-1,529.56

Finding the Fourth Proportional to 2,990.04, 4,480.48 and 1,529.56

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Solution

The fourth proportional to 2,990.04, 4,480.48 and 1,529.56 is: 2,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.04 : 4,480.48 = 1,529.56 : x
  2. Step 2: Convert to fraction form
    2,990.04/4,480.48 = 1,529.56/x
  3. Step 3: Cross multiply
    2,990.04x = 4,480.48 × 1,529.56
  4. Step 4: Simplify right side
    2,990.04x = 6,853,162.99
  5. Step 5: Solve for x
    x = 6,853,162.99/2,990.04
  6. Step 6: Final answer
    x = 2,292.00

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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.