Home / 3,060.26-4,223.50-1,818.26

Finding the Fourth Proportional to 3,060.26, 4,223.50 and 1,818.26

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Solution

The fourth proportional to 3,060.26, 4,223.50 and 1,818.26 is: 2,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.26 : 4,223.50 = 1,818.26 : x
  2. Step 2: Convert to fraction form
    3,060.26/4,223.50 = 1,818.26/x
  3. Step 3: Cross multiply
    3,060.26x = 4,223.50 × 1,818.26
  4. Step 4: Simplify right side
    3,060.26x = 7,679,421.11
  5. Step 5: Solve for x
    x = 7,679,421.11/3,060.26
  6. Step 6: Final answer
    x = 2,509.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.