Home / 2,586.61-3,569.53-1,407.68

Finding the Fourth Proportional to 2,586.61, 3,569.53 and 1,407.68

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Solution

The fourth proportional to 2,586.61, 3,569.53 and 1,407.68 is: 1,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.61 : 3,569.53 = 1,407.68 : x
  2. Step 2: Convert to fraction form
    2,586.61/3,569.53 = 1,407.68/x
  3. Step 3: Cross multiply
    2,586.61x = 3,569.53 × 1,407.68
  4. Step 4: Simplify right side
    2,586.61x = 5,024,755.99
  5. Step 5: Solve for x
    x = 5,024,755.99/2,586.61
  6. Step 6: Final answer
    x = 1,942.60

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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.