Home / 1,487.93-2,235.33-934.36

Finding the Fourth Proportional to 1,487.93, 2,235.33 and 934.36

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Solution

The fourth proportional to 1,487.93, 2,235.33 and 934.36 is: 1,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.93 : 2,235.33 = 934.36 : x
  2. Step 2: Convert to fraction form
    1,487.93/2,235.33 = 934.36/x
  3. Step 3: Cross multiply
    1,487.93x = 2,235.33 × 934.36
  4. Step 4: Simplify right side
    1,487.93x = 2,088,597.35
  5. Step 5: Solve for x
    x = 2,088,597.35/1,487.93
  6. Step 6: Final answer
    x = 1,403.70

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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.