Home / 1,349.65-1,862.23-1,035.27

Finding the Fourth Proportional to 1,349.65, 1,862.23 and 1,035.27

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Solution

The fourth proportional to 1,349.65, 1,862.23 and 1,035.27 is: 1,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.65 : 1,862.23 = 1,035.27 : x
  2. Step 2: Convert to fraction form
    1,349.65/1,862.23 = 1,035.27/x
  3. Step 3: Cross multiply
    1,349.65x = 1,862.23 × 1,035.27
  4. Step 4: Simplify right side
    1,349.65x = 1,927,910.85
  5. Step 5: Solve for x
    x = 1,927,910.85/1,349.65
  6. Step 6: Final answer
    x = 1,428.45

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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.