Home / 2,586.67-3,569.49-1,407.74

Finding the Fourth Proportional to 2,586.67, 3,569.49 and 1,407.74

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Solution

The fourth proportional to 2,586.67, 3,569.49 and 1,407.74 is: 1,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.67 : 3,569.49 = 1,407.74 : x
  2. Step 2: Convert to fraction form
    2,586.67/3,569.49 = 1,407.74/x
  3. Step 3: Cross multiply
    2,586.67x = 3,569.49 × 1,407.74
  4. Step 4: Simplify right side
    2,586.67x = 5,024,913.85
  5. Step 5: Solve for x
    x = 5,024,913.85/2,586.67
  6. Step 6: Final answer
    x = 1,942.62

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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.