Home / 1,624.03-2,241.07-915.99

Finding the Fourth Proportional to 1,624.03, 2,241.07 and 915.99

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Solution

The fourth proportional to 1,624.03, 2,241.07 and 915.99 is: 1,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.03 : 2,241.07 = 915.99 : x
  2. Step 2: Convert to fraction form
    1,624.03/2,241.07 = 915.99/x
  3. Step 3: Cross multiply
    1,624.03x = 2,241.07 × 915.99
  4. Step 4: Simplify right side
    1,624.03x = 2,052,787.02
  5. Step 5: Solve for x
    x = 2,052,787.02/1,624.03
  6. Step 6: Final answer
    x = 1,264.01

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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.