Home / 3,951.10-5,925.56-1,485.74

Finding the Fourth Proportional to 3,951.10, 5,925.56 and 1,485.74

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Solution

The fourth proportional to 3,951.10, 5,925.56 and 1,485.74 is: 2,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.10 : 5,925.56 = 1,485.74 : x
  2. Step 2: Convert to fraction form
    3,951.10/5,925.56 = 1,485.74/x
  3. Step 3: Cross multiply
    3,951.10x = 5,925.56 × 1,485.74
  4. Step 4: Simplify right side
    3,951.10x = 8,803,841.51
  5. Step 5: Solve for x
    x = 8,803,841.51/3,951.10
  6. Step 6: Final answer
    x = 2,228.20

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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.