Home / 2,526.71-3,486.94-1,407.62

Finding the Fourth Proportional to 2,526.71, 3,486.94 and 1,407.62

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Solution

The fourth proportional to 2,526.71, 3,486.94 and 1,407.62 is: 1,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.71 : 3,486.94 = 1,407.62 : x
  2. Step 2: Convert to fraction form
    2,526.71/3,486.94 = 1,407.62/x
  3. Step 3: Cross multiply
    2,526.71x = 3,486.94 × 1,407.62
  4. Step 4: Simplify right side
    2,526.71x = 4,908,265.18
  5. Step 5: Solve for x
    x = 4,908,265.18/2,526.71
  6. Step 6: Final answer
    x = 1,942.55

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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.