Home / 1,534.33-2,117.40-835.71

Finding the Fourth Proportional to 1,534.33, 2,117.40 and 835.71

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Solution

The fourth proportional to 1,534.33, 2,117.40 and 835.71 is: 1,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.33 : 2,117.40 = 835.71 : x
  2. Step 2: Convert to fraction form
    1,534.33/2,117.40 = 835.71/x
  3. Step 3: Cross multiply
    1,534.33x = 2,117.40 × 835.71
  4. Step 4: Simplify right side
    1,534.33x = 1,769,521.77
  5. Step 5: Solve for x
    x = 1,769,521.77/1,534.33
  6. Step 6: Final answer
    x = 1,153.29

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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.