Home / 1,681.08-2,504.73-1,586.78

Finding the Fourth Proportional to 1,681.08, 2,504.73 and 1,586.78

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Solution

The fourth proportional to 1,681.08, 2,504.73 and 1,586.78 is: 2,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681.08 : 2,504.73 = 1,586.78 : x
  2. Step 2: Convert to fraction form
    1,681.08/2,504.73 = 1,586.78/x
  3. Step 3: Cross multiply
    1,681.08x = 2,504.73 × 1,586.78
  4. Step 4: Simplify right side
    1,681.08x = 3,974,442.95
  5. Step 5: Solve for x
    x = 3,974,442.95/1,681.08
  6. Step 6: Final answer
    x = 2,364.22

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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.