Home / 1,549.06-2,136.96-1,017.74

Finding the Fourth Proportional to 1,549.06, 2,136.96 and 1,017.74

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Solution

The fourth proportional to 1,549.06, 2,136.96 and 1,017.74 is: 1,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.06 : 2,136.96 = 1,017.74 : x
  2. Step 2: Convert to fraction form
    1,549.06/2,136.96 = 1,017.74/x
  3. Step 3: Cross multiply
    1,549.06x = 2,136.96 × 1,017.74
  4. Step 4: Simplify right side
    1,549.06x = 2,174,869.67
  5. Step 5: Solve for x
    x = 2,174,869.67/1,549.06
  6. Step 6: Final answer
    x = 1,403.99

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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.