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Finding the Fourth Proportional to 4,684.76, 7,024.48 and 2,051.20

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Solution

The fourth proportional to 4,684.76, 7,024.48 and 2,051.20 is: 3,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.76 : 7,024.48 = 2,051.20 : x
  2. Step 2: Convert to fraction form
    4,684.76/7,024.48 = 2,051.20/x
  3. Step 3: Cross multiply
    4,684.76x = 7,024.48 × 2,051.20
  4. Step 4: Simplify right side
    4,684.76x = 14,408,613.38
  5. Step 5: Solve for x
    x = 14,408,613.38/4,684.76
  6. Step 6: Final answer
    x = 3,075.64

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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.