Home / 2,458.60-3,683.40-1,157.20

Finding the Fourth Proportional to 2,458.60, 3,683.40 and 1,157.20

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Solution

The fourth proportional to 2,458.60, 3,683.40 and 1,157.20 is: 1,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.60 : 3,683.40 = 1,157.20 : x
  2. Step 2: Convert to fraction form
    2,458.60/3,683.40 = 1,157.20/x
  3. Step 3: Cross multiply
    2,458.60x = 3,683.40 × 1,157.20
  4. Step 4: Simplify right side
    2,458.60x = 4,262,430.48
  5. Step 5: Solve for x
    x = 4,262,430.48/2,458.60
  6. Step 6: Final answer
    x = 1,733.68

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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.