Home / 2,559.60-3,812.40-2,547.72

Finding the Fourth Proportional to 2,559.60, 3,812.40 and 2,547.72

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Solution

The fourth proportional to 2,559.60, 3,812.40 and 2,547.72 is: 3,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.60 : 3,812.40 = 2,547.72 : x
  2. Step 2: Convert to fraction form
    2,559.60/3,812.40 = 2,547.72/x
  3. Step 3: Cross multiply
    2,559.60x = 3,812.40 × 2,547.72
  4. Step 4: Simplify right side
    2,559.60x = 9,712,927.73
  5. Step 5: Solve for x
    x = 9,712,927.73/2,559.60
  6. Step 6: Final answer
    x = 3,794.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.