Home / 1,565.15-2,347.73-949.03

Finding the Fourth Proportional to 1,565.15, 2,347.73 and 949.03

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Solution

The fourth proportional to 1,565.15, 2,347.73 and 949.03 is: 1,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.15 : 2,347.73 = 949.03 : x
  2. Step 2: Convert to fraction form
    1,565.15/2,347.73 = 949.03/x
  3. Step 3: Cross multiply
    1,565.15x = 2,347.73 × 949.03
  4. Step 4: Simplify right side
    1,565.15x = 2,228,061.46
  5. Step 5: Solve for x
    x = 2,228,061.46/1,565.15
  6. Step 6: Final answer
    x = 1,423.55

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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.