Home / 3,030.72-4,544.22-1,385.70

Finding the Fourth Proportional to 3,030.72, 4,544.22 and 1,385.70

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Solution

The fourth proportional to 3,030.72, 4,544.22 and 1,385.70 is: 2,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.72 : 4,544.22 = 1,385.70 : x
  2. Step 2: Convert to fraction form
    3,030.72/4,544.22 = 1,385.70/x
  3. Step 3: Cross multiply
    3,030.72x = 4,544.22 × 1,385.70
  4. Step 4: Simplify right side
    3,030.72x = 6,296,925.65
  5. Step 5: Solve for x
    x = 6,296,925.65/3,030.72
  6. Step 6: Final answer
    x = 2,077.70

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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.