Home / 1,780.55-2,457.13-1,034.93

Finding the Fourth Proportional to 1,780.55, 2,457.13 and 1,034.93

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Solution

The fourth proportional to 1,780.55, 2,457.13 and 1,034.93 is: 1,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780.55 : 2,457.13 = 1,034.93 : x
  2. Step 2: Convert to fraction form
    1,780.55/2,457.13 = 1,034.93/x
  3. Step 3: Cross multiply
    1,780.55x = 2,457.13 × 1,034.93
  4. Step 4: Simplify right side
    1,780.55x = 2,542,957.55
  5. Step 5: Solve for x
    x = 2,542,957.55/1,780.55
  6. Step 6: Final answer
    x = 1,428.19

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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.