Home / 3,739.40-5,585.53-3,635.72

Finding the Fourth Proportional to 3,739.40, 5,585.53 and 3,635.72

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Solution

The fourth proportional to 3,739.40, 5,585.53 and 3,635.72 is: 5,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.40 : 5,585.53 = 3,635.72 : x
  2. Step 2: Convert to fraction form
    3,739.40/5,585.53 = 3,635.72/x
  3. Step 3: Cross multiply
    3,739.40x = 5,585.53 × 3,635.72
  4. Step 4: Simplify right side
    3,739.40x = 20,307,423.13
  5. Step 5: Solve for x
    x = 20,307,423.13/3,739.40
  6. Step 6: Final answer
    x = 5,430.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.