Home / 2,457.90-3,391.07-1,574.24

Finding the Fourth Proportional to 2,457.90, 3,391.07 and 1,574.24

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Solution

The fourth proportional to 2,457.90, 3,391.07 and 1,574.24 is: 2,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.90 : 3,391.07 = 1,574.24 : x
  2. Step 2: Convert to fraction form
    2,457.90/3,391.07 = 1,574.24/x
  3. Step 3: Cross multiply
    2,457.90x = 3,391.07 × 1,574.24
  4. Step 4: Simplify right side
    2,457.90x = 5,338,333.21
  5. Step 5: Solve for x
    x = 5,338,333.21/2,457.90
  6. Step 6: Final answer
    x = 2,171.91

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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.