Home / 1,816.39-2,506.54-1,030.42

Finding the Fourth Proportional to 1,816.39, 2,506.54 and 1,030.42

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Solution

The fourth proportional to 1,816.39, 2,506.54 and 1,030.42 is: 1,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.39 : 2,506.54 = 1,030.42 : x
  2. Step 2: Convert to fraction form
    1,816.39/2,506.54 = 1,030.42/x
  3. Step 3: Cross multiply
    1,816.39x = 2,506.54 × 1,030.42
  4. Step 4: Simplify right side
    1,816.39x = 2,582,773.84
  5. Step 5: Solve for x
    x = 2,582,773.84/1,816.39
  6. Step 6: Final answer
    x = 1,421.93

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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.