Home / 1,601.95-2,210.40-938.82

Finding the Fourth Proportional to 1,601.95, 2,210.40 and 938.82

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Solution

The fourth proportional to 1,601.95, 2,210.40 and 938.82 is: 1,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.95 : 2,210.40 = 938.82 : x
  2. Step 2: Convert to fraction form
    1,601.95/2,210.40 = 938.82/x
  3. Step 3: Cross multiply
    1,601.95x = 2,210.40 × 938.82
  4. Step 4: Simplify right side
    1,601.95x = 2,075,167.73
  5. Step 5: Solve for x
    x = 2,075,167.73/1,601.95
  6. Step 6: Final answer
    x = 1,295.40

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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.