Home / 3,048.40-4,571.18-1,587.16

Finding the Fourth Proportional to 3,048.40, 4,571.18 and 1,587.16

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Solution

The fourth proportional to 3,048.40, 4,571.18 and 1,587.16 is: 2,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.40 : 4,571.18 = 1,587.16 : x
  2. Step 2: Convert to fraction form
    3,048.40/4,571.18 = 1,587.16/x
  3. Step 3: Cross multiply
    3,048.40x = 4,571.18 × 1,587.16
  4. Step 4: Simplify right side
    3,048.40x = 7,255,194.05
  5. Step 5: Solve for x
    x = 7,255,194.05/3,048.40
  6. Step 6: Final answer
    x = 2,380.00

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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.