Home / 2,457.18-3,390.80-1,462.57

Finding the Fourth Proportional to 2,457.18, 3,390.80 and 1,462.57

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Solution

The fourth proportional to 2,457.18, 3,390.80 and 1,462.57 is: 2,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.18 : 3,390.80 = 1,462.57 : x
  2. Step 2: Convert to fraction form
    2,457.18/3,390.80 = 1,462.57/x
  3. Step 3: Cross multiply
    2,457.18x = 3,390.80 × 1,462.57
  4. Step 4: Simplify right side
    2,457.18x = 4,959,266.57
  5. Step 5: Solve for x
    x = 4,959,266.57/2,457.18
  6. Step 6: Final answer
    x = 2,018.28

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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.