Home / 2,547.24-3,821.70-1,248.60

Finding the Fourth Proportional to 2,547.24, 3,821.70 and 1,248.60

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Solution

The fourth proportional to 2,547.24, 3,821.70 and 1,248.60 is: 1,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.24 : 3,821.70 = 1,248.60 : x
  2. Step 2: Convert to fraction form
    2,547.24/3,821.70 = 1,248.60/x
  3. Step 3: Cross multiply
    2,547.24x = 3,821.70 × 1,248.60
  4. Step 4: Simplify right side
    2,547.24x = 4,771,774.62
  5. Step 5: Solve for x
    x = 4,771,774.62/2,547.24
  6. Step 6: Final answer
    x = 1,873.31

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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.