Home / 2,547.78-3,827.55-2,442.70

Finding the Fourth Proportional to 2,547.78, 3,827.55 and 2,442.70

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Solution

The fourth proportional to 2,547.78, 3,827.55 and 2,442.70 is: 3,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.78 : 3,827.55 = 2,442.70 : x
  2. Step 2: Convert to fraction form
    2,547.78/3,827.55 = 2,442.70/x
  3. Step 3: Cross multiply
    2,547.78x = 3,827.55 × 2,442.70
  4. Step 4: Simplify right side
    2,547.78x = 9,349,544.17
  5. Step 5: Solve for x
    x = 9,349,544.17/2,547.78
  6. Step 6: Final answer
    x = 3,669.68

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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.