Home / 3,867.74-5,341.90-2,547.34

Finding the Fourth Proportional to 3,867.74, 5,341.90 and 2,547.34

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Solution

The fourth proportional to 3,867.74, 5,341.90 and 2,547.34 is: 3,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.74 : 5,341.90 = 2,547.34 : x
  2. Step 2: Convert to fraction form
    3,867.74/5,341.90 = 2,547.34/x
  3. Step 3: Cross multiply
    3,867.74x = 5,341.90 × 2,547.34
  4. Step 4: Simplify right side
    3,867.74x = 13,607,635.55
  5. Step 5: Solve for x
    x = 13,607,635.55/3,867.74
  6. Step 6: Final answer
    x = 3,518.24

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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.