Home / 2,457.41-3,391.19-1,409.45

Finding the Fourth Proportional to 2,457.41, 3,391.19 and 1,409.45

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Solution

The fourth proportional to 2,457.41, 3,391.19 and 1,409.45 is: 1,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.41 : 3,391.19 = 1,409.45 : x
  2. Step 2: Convert to fraction form
    2,457.41/3,391.19 = 1,409.45/x
  3. Step 3: Cross multiply
    2,457.41x = 3,391.19 × 1,409.45
  4. Step 4: Simplify right side
    2,457.41x = 4,779,688.74
  5. Step 5: Solve for x
    x = 4,779,688.74/2,457.41
  6. Step 6: Final answer
    x = 1,945.01

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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.