Home / 1,615.02-2,228.46-951.90

Finding the Fourth Proportional to 1,615.02, 2,228.46 and 951.90

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Solution

The fourth proportional to 1,615.02, 2,228.46 and 951.90 is: 1,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.02 : 2,228.46 = 951.90 : x
  2. Step 2: Convert to fraction form
    1,615.02/2,228.46 = 951.90/x
  3. Step 3: Cross multiply
    1,615.02x = 2,228.46 × 951.90
  4. Step 4: Simplify right side
    1,615.02x = 2,121,271.07
  5. Step 5: Solve for x
    x = 2,121,271.07/1,615.02
  6. Step 6: Final answer
    x = 1,313.46

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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.