Home / 1,457.19-2,183.09-1,293.17

Finding the Fourth Proportional to 1,457.19, 2,183.09 and 1,293.17

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Solution

The fourth proportional to 1,457.19, 2,183.09 and 1,293.17 is: 1,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.19 : 2,183.09 = 1,293.17 : x
  2. Step 2: Convert to fraction form
    1,457.19/2,183.09 = 1,293.17/x
  3. Step 3: Cross multiply
    1,457.19x = 2,183.09 × 1,293.17
  4. Step 4: Simplify right side
    1,457.19x = 2,823,089.11
  5. Step 5: Solve for x
    x = 2,823,089.11/1,457.19
  6. Step 6: Final answer
    x = 1,937.35

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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.