Home / 3,030.52-4,184.85-1,913.44

Finding the Fourth Proportional to 3,030.52, 4,184.85 and 1,913.44

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Solution

The fourth proportional to 3,030.52, 4,184.85 and 1,913.44 is: 2,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.52 : 4,184.85 = 1,913.44 : x
  2. Step 2: Convert to fraction form
    3,030.52/4,184.85 = 1,913.44/x
  3. Step 3: Cross multiply
    3,030.52x = 4,184.85 × 1,913.44
  4. Step 4: Simplify right side
    3,030.52x = 8,007,459.38
  5. Step 5: Solve for x
    x = 8,007,459.38/3,030.52
  6. Step 6: Final answer
    x = 2,642.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.