Home / 3,547.02-5,308.64-2,720.82

Finding the Fourth Proportional to 3,547.02, 5,308.64 and 2,720.82

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Solution

The fourth proportional to 3,547.02, 5,308.64 and 2,720.82 is: 4,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.02 : 5,308.64 = 2,720.82 : x
  2. Step 2: Convert to fraction form
    3,547.02/5,308.64 = 2,720.82/x
  3. Step 3: Cross multiply
    3,547.02x = 5,308.64 × 2,720.82
  4. Step 4: Simplify right side
    3,547.02x = 14,443,853.88
  5. Step 5: Solve for x
    x = 14,443,853.88/3,547.02
  6. Step 6: Final answer
    x = 4,072.11

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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.