Home / 1,166.14-1,607.40-885.46

Finding the Fourth Proportional to 1,166.14, 1,607.40 and 885.46

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Solution

The fourth proportional to 1,166.14, 1,607.40 and 885.46 is: 1,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.14 : 1,607.40 = 885.46 : x
  2. Step 2: Convert to fraction form
    1,166.14/1,607.40 = 885.46/x
  3. Step 3: Cross multiply
    1,166.14x = 1,607.40 × 885.46
  4. Step 4: Simplify right side
    1,166.14x = 1,423,288.40
  5. Step 5: Solve for x
    x = 1,423,288.40/1,166.14
  6. Step 6: Final answer
    x = 1,220.51

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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.