Home / 3,547.68-5,312.64-1,789.44

Finding the Fourth Proportional to 3,547.68, 5,312.64 and 1,789.44

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Solution

The fourth proportional to 3,547.68, 5,312.64 and 1,789.44 is: 2,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.68 : 5,312.64 = 1,789.44 : x
  2. Step 2: Convert to fraction form
    3,547.68/5,312.64 = 1,789.44/x
  3. Step 3: Cross multiply
    3,547.68x = 5,312.64 × 1,789.44
  4. Step 4: Simplify right side
    3,547.68x = 9,506,650.52
  5. Step 5: Solve for x
    x = 9,506,650.52/3,547.68
  6. Step 6: Final answer
    x = 2,679.68

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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.