Home / 1,403.04-2,103.57-581.10

Finding the Fourth Proportional to 1,403.04, 2,103.57 and 581.10

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Solution

The fourth proportional to 1,403.04, 2,103.57 and 581.10 is: 871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.04 : 2,103.57 = 581.10 : x
  2. Step 2: Convert to fraction form
    1,403.04/2,103.57 = 581.10/x
  3. Step 3: Cross multiply
    1,403.04x = 2,103.57 × 581.10
  4. Step 4: Simplify right side
    1,403.04x = 1,222,384.53
  5. Step 5: Solve for x
    x = 1,222,384.53/1,403.04
  6. Step 6: Final answer
    x = 871.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.