Home / 2,424.88-3,637.44-1,457.20

Finding the Fourth Proportional to 2,424.88, 3,637.44 and 1,457.20

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Solution

The fourth proportional to 2,424.88, 3,637.44 and 1,457.20 is: 2,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.88 : 3,637.44 = 1,457.20 : x
  2. Step 2: Convert to fraction form
    2,424.88/3,637.44 = 1,457.20/x
  3. Step 3: Cross multiply
    2,424.88x = 3,637.44 × 1,457.20
  4. Step 4: Simplify right side
    2,424.88x = 5,300,477.57
  5. Step 5: Solve for x
    x = 5,300,477.57/2,424.88
  6. Step 6: Final answer
    x = 2,185.87

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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.