Home / 3,547.60-5,320.71-1,355.81

Finding the Fourth Proportional to 3,547.60, 5,320.71 and 1,355.81

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Solution

The fourth proportional to 3,547.60, 5,320.71 and 1,355.81 is: 2,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.60 : 5,320.71 = 1,355.81 : x
  2. Step 2: Convert to fraction form
    3,547.60/5,320.71 = 1,355.81/x
  3. Step 3: Cross multiply
    3,547.60x = 5,320.71 × 1,355.81
  4. Step 4: Simplify right side
    3,547.60x = 7,213,845.22
  5. Step 5: Solve for x
    x = 7,213,845.22/3,547.60
  6. Step 6: Final answer
    x = 2,033.45

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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.