Home / 3,547.36-4,895.76-2,661.68

Finding the Fourth Proportional to 3,547.36, 4,895.76 and 2,661.68

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Solution

The fourth proportional to 3,547.36, 4,895.76 and 2,661.68 is: 3,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.36 : 4,895.76 = 2,661.68 : x
  2. Step 2: Convert to fraction form
    3,547.36/4,895.76 = 2,661.68/x
  3. Step 3: Cross multiply
    3,547.36x = 4,895.76 × 2,661.68
  4. Step 4: Simplify right side
    3,547.36x = 13,030,946.48
  5. Step 5: Solve for x
    x = 13,030,946.48/3,547.36
  6. Step 6: Final answer
    x = 3,673.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.