Home / 3,030.78-4,547.55-2,740.98

Finding the Fourth Proportional to 3,030.78, 4,547.55 and 2,740.98

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Solution

The fourth proportional to 3,030.78, 4,547.55 and 2,740.98 is: 4,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.78 : 4,547.55 = 2,740.98 : x
  2. Step 2: Convert to fraction form
    3,030.78/4,547.55 = 2,740.98/x
  3. Step 3: Cross multiply
    3,030.78x = 4,547.55 × 2,740.98
  4. Step 4: Simplify right side
    3,030.78x = 12,464,743.60
  5. Step 5: Solve for x
    x = 12,464,743.60/3,030.78
  6. Step 6: Final answer
    x = 4,112.72

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1.5x scale

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.