Home / 1,895.29-2,615.49-1,055.98

Finding the Fourth Proportional to 1,895.29, 2,615.49 and 1,055.98

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Solution

The fourth proportional to 1,895.29, 2,615.49 and 1,055.98 is: 1,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.29 : 2,615.49 = 1,055.98 : x
  2. Step 2: Convert to fraction form
    1,895.29/2,615.49 = 1,055.98/x
  3. Step 3: Cross multiply
    1,895.29x = 2,615.49 × 1,055.98
  4. Step 4: Simplify right side
    1,895.29x = 2,761,905.13
  5. Step 5: Solve for x
    x = 2,761,905.13/1,895.29
  6. Step 6: Final answer
    x = 1,457.25

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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.