Home / 2,925.20-4,381.18-2,051.57

Finding the Fourth Proportional to 2,925.20, 4,381.18 and 2,051.57

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Solution

The fourth proportional to 2,925.20, 4,381.18 and 2,051.57 is: 3,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.20 : 4,381.18 = 2,051.57 : x
  2. Step 2: Convert to fraction form
    2,925.20/4,381.18 = 2,051.57/x
  3. Step 3: Cross multiply
    2,925.20x = 4,381.18 × 2,051.57
  4. Step 4: Simplify right side
    2,925.20x = 8,988,303.28
  5. Step 5: Solve for x
    x = 8,988,303.28/2,925.20
  6. Step 6: Final answer
    x = 3,072.72

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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.