Home / 1,635.18-2,453.67-904.66

Finding the Fourth Proportional to 1,635.18, 2,453.67 and 904.66

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Solution

The fourth proportional to 1,635.18, 2,453.67 and 904.66 is: 1,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.18 : 2,453.67 = 904.66 : x
  2. Step 2: Convert to fraction form
    1,635.18/2,453.67 = 904.66/x
  3. Step 3: Cross multiply
    1,635.18x = 2,453.67 × 904.66
  4. Step 4: Simplify right side
    1,635.18x = 2,219,737.10
  5. Step 5: Solve for x
    x = 2,219,737.10/1,635.18
  6. Step 6: Final answer
    x = 1,357.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.