Home / 2,770.13-4,154.93-1,038.89

Finding the Fourth Proportional to 2,770.13, 4,154.93 and 1,038.89

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Solution

The fourth proportional to 2,770.13, 4,154.93 and 1,038.89 is: 1,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.13 : 4,154.93 = 1,038.89 : x
  2. Step 2: Convert to fraction form
    2,770.13/4,154.93 = 1,038.89/x
  3. Step 3: Cross multiply
    2,770.13x = 4,154.93 × 1,038.89
  4. Step 4: Simplify right side
    2,770.13x = 4,316,524.32
  5. Step 5: Solve for x
    x = 4,316,524.32/2,770.13
  6. Step 6: Final answer
    x = 1,558.24

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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.