Home / 3,699.80-5,547.75-1,359.20

Finding the Fourth Proportional to 3,699.80, 5,547.75 and 1,359.20

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Solution

The fourth proportional to 3,699.80, 5,547.75 and 1,359.20 is: 2,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.80 : 5,547.75 = 1,359.20 : x
  2. Step 2: Convert to fraction form
    3,699.80/5,547.75 = 1,359.20/x
  3. Step 3: Cross multiply
    3,699.80x = 5,547.75 × 1,359.20
  4. Step 4: Simplify right side
    3,699.80x = 7,540,474.06
  5. Step 5: Solve for x
    x = 7,540,474.06/3,699.80
  6. Step 6: Final answer
    x = 2,038.08

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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.