Home / 2,457.01-3,390.83-1,409.23

Finding the Fourth Proportional to 2,457.01, 3,390.83 and 1,409.23

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Solution

The fourth proportional to 2,457.01, 3,390.83 and 1,409.23 is: 1,944.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.01 : 3,390.83 = 1,409.23 : x
  2. Step 2: Convert to fraction form
    2,457.01/3,390.83 = 1,409.23/x
  3. Step 3: Cross multiply
    2,457.01x = 3,390.83 × 1,409.23
  4. Step 4: Simplify right side
    2,457.01x = 4,778,459.36
  5. Step 5: Solve for x
    x = 4,778,459.36/2,457.01
  6. Step 6: Final answer
    x = 1,944.83

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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.