Home / 1,437.09-2,154.95-997.99

Finding the Fourth Proportional to 1,437.09, 2,154.95 and 997.99

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Solution

The fourth proportional to 1,437.09, 2,154.95 and 997.99 is: 1,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.09 : 2,154.95 = 997.99 : x
  2. Step 2: Convert to fraction form
    1,437.09/2,154.95 = 997.99/x
  3. Step 3: Cross multiply
    1,437.09x = 2,154.95 × 997.99
  4. Step 4: Simplify right side
    1,437.09x = 2,150,617.53
  5. Step 5: Solve for x
    x = 2,150,617.53/1,437.09
  6. Step 6: Final answer
    x = 1,496.51

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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.