Home / 2,457.34-3,387.53-1,866.85

Finding the Fourth Proportional to 2,457.34, 3,387.53 and 1,866.85

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Solution

The fourth proportional to 2,457.34, 3,387.53 and 1,866.85 is: 2,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.34 : 3,387.53 = 1,866.85 : x
  2. Step 2: Convert to fraction form
    2,457.34/3,387.53 = 1,866.85/x
  3. Step 3: Cross multiply
    2,457.34x = 3,387.53 × 1,866.85
  4. Step 4: Simplify right side
    2,457.34x = 6,324,006.58
  5. Step 5: Solve for x
    x = 6,324,006.58/2,457.34
  6. Step 6: Final answer
    x = 2,573.52

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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.