Home / 1,631.95-2,435.99-1,560.94

Finding the Fourth Proportional to 1,631.95, 2,435.99 and 1,560.94

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Solution

The fourth proportional to 1,631.95, 2,435.99 and 1,560.94 is: 2,329.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.95 : 2,435.99 = 1,560.94 : x
  2. Step 2: Convert to fraction form
    1,631.95/2,435.99 = 1,560.94/x
  3. Step 3: Cross multiply
    1,631.95x = 2,435.99 × 1,560.94
  4. Step 4: Simplify right side
    1,631.95x = 3,802,434.23
  5. Step 5: Solve for x
    x = 3,802,434.23/1,631.95
  6. Step 6: Final answer
    x = 2,329.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.