Home / 1,746.60-2,405.61-1,615.23

Finding the Fourth Proportional to 1,746.60, 2,405.61 and 1,615.23

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Solution

The fourth proportional to 1,746.60, 2,405.61 and 1,615.23 is: 2,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.60 : 2,405.61 = 1,615.23 : x
  2. Step 2: Convert to fraction form
    1,746.60/2,405.61 = 1,615.23/x
  3. Step 3: Cross multiply
    1,746.60x = 2,405.61 × 1,615.23
  4. Step 4: Simplify right side
    1,746.60x = 3,885,613.44
  5. Step 5: Solve for x
    x = 3,885,613.44/1,746.60
  6. Step 6: Final answer
    x = 2,224.67

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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.