Home / 1,440.81-2,157.06-846.03

Finding the Fourth Proportional to 1,440.81, 2,157.06 and 846.03

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Solution

The fourth proportional to 1,440.81, 2,157.06 and 846.03 is: 1,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.81 : 2,157.06 = 846.03 : x
  2. Step 2: Convert to fraction form
    1,440.81/2,157.06 = 846.03/x
  3. Step 3: Cross multiply
    1,440.81x = 2,157.06 × 846.03
  4. Step 4: Simplify right side
    1,440.81x = 1,824,938.56
  5. Step 5: Solve for x
    x = 1,824,938.56/1,440.81
  6. Step 6: Final answer
    x = 1,266.60

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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.