Home / 1,103.30-1,646.85-1,030.34

Finding the Fourth Proportional to 1,103.30, 1,646.85 and 1,030.34

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Solution

The fourth proportional to 1,103.30, 1,646.85 and 1,030.34 is: 1,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.30 : 1,646.85 = 1,030.34 : x
  2. Step 2: Convert to fraction form
    1,103.30/1,646.85 = 1,030.34/x
  3. Step 3: Cross multiply
    1,103.30x = 1,646.85 × 1,030.34
  4. Step 4: Simplify right side
    1,103.30x = 1,696,810.28
  5. Step 5: Solve for x
    x = 1,696,810.28/1,103.30
  6. Step 6: Final answer
    x = 1,537.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.