Home / 1,503.72-2,235.51-1,400.04

Finding the Fourth Proportional to 1,503.72, 2,235.51 and 1,400.04

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Solution

The fourth proportional to 1,503.72, 2,235.51 and 1,400.04 is: 2,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.72 : 2,235.51 = 1,400.04 : x
  2. Step 2: Convert to fraction form
    1,503.72/2,235.51 = 1,400.04/x
  3. Step 3: Cross multiply
    1,503.72x = 2,235.51 × 1,400.04
  4. Step 4: Simplify right side
    1,503.72x = 3,129,803.42
  5. Step 5: Solve for x
    x = 3,129,803.42/1,503.72
  6. Step 6: Final answer
    x = 2,081.37

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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.