Home / 3,106.79-4,656.66-1,547.90

Finding the Fourth Proportional to 3,106.79, 4,656.66 and 1,547.90

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Solution

The fourth proportional to 3,106.79, 4,656.66 and 1,547.90 is: 2,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.79 : 4,656.66 = 1,547.90 : x
  2. Step 2: Convert to fraction form
    3,106.79/4,656.66 = 1,547.90/x
  3. Step 3: Cross multiply
    3,106.79x = 4,656.66 × 1,547.90
  4. Step 4: Simplify right side
    3,106.79x = 7,208,044.01
  5. Step 5: Solve for x
    x = 7,208,044.01/3,106.79
  6. Step 6: Final answer
    x = 2,320.09

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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.