Home / 3,701.48-5,547.40-3,309.20

Finding the Fourth Proportional to 3,701.48, 5,547.40 and 3,309.20

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Solution

The fourth proportional to 3,701.48, 5,547.40 and 3,309.20 is: 4,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.48 : 5,547.40 = 3,309.20 : x
  2. Step 2: Convert to fraction form
    3,701.48/5,547.40 = 3,309.20/x
  3. Step 3: Cross multiply
    3,701.48x = 5,547.40 × 3,309.20
  4. Step 4: Simplify right side
    3,701.48x = 18,357,456.08
  5. Step 5: Solve for x
    x = 18,357,456.08/3,701.48
  6. Step 6: Final answer
    x = 4,959.49

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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.