Home / 1,457.40-2,008.98-1,141.96

Finding the Fourth Proportional to 1,457.40, 2,008.98 and 1,141.96

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Solution

The fourth proportional to 1,457.40, 2,008.98 and 1,141.96 is: 1,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.40 : 2,008.98 = 1,141.96 : x
  2. Step 2: Convert to fraction form
    1,457.40/2,008.98 = 1,141.96/x
  3. Step 3: Cross multiply
    1,457.40x = 2,008.98 × 1,141.96
  4. Step 4: Simplify right side
    1,457.40x = 2,294,174.80
  5. Step 5: Solve for x
    x = 2,294,174.80/1,457.40
  6. Step 6: Final answer
    x = 1,574.16

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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.