Home / 2,459.04-3,688.08-727.68

Finding the Fourth Proportional to 2,459.04, 3,688.08 and 727.68

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Solution

The fourth proportional to 2,459.04, 3,688.08 and 727.68 is: 1,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.04 : 3,688.08 = 727.68 : x
  2. Step 2: Convert to fraction form
    2,459.04/3,688.08 = 727.68/x
  3. Step 3: Cross multiply
    2,459.04x = 3,688.08 × 727.68
  4. Step 4: Simplify right side
    2,459.04x = 2,683,742.05
  5. Step 5: Solve for x
    x = 2,683,742.05/2,459.04
  6. Step 6: Final answer
    x = 1,091.38

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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.