Home / 1,715.49-2,368.44-1,156.05

Finding the Fourth Proportional to 1,715.49, 2,368.44 and 1,156.05

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Solution

The fourth proportional to 1,715.49, 2,368.44 and 1,156.05 is: 1,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.49 : 2,368.44 = 1,156.05 : x
  2. Step 2: Convert to fraction form
    1,715.49/2,368.44 = 1,156.05/x
  3. Step 3: Cross multiply
    1,715.49x = 2,368.44 × 1,156.05
  4. Step 4: Simplify right side
    1,715.49x = 2,738,035.06
  5. Step 5: Solve for x
    x = 2,738,035.06/1,715.49
  6. Step 6: Final answer
    x = 1,596.07

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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.