Home / 2,557.02-3,833.21-913.18

Finding the Fourth Proportional to 2,557.02, 3,833.21 and 913.18

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Solution

The fourth proportional to 2,557.02, 3,833.21 and 913.18 is: 1,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.02 : 3,833.21 = 913.18 : x
  2. Step 2: Convert to fraction form
    2,557.02/3,833.21 = 913.18/x
  3. Step 3: Cross multiply
    2,557.02x = 3,833.21 × 913.18
  4. Step 4: Simplify right side
    2,557.02x = 3,500,416.24
  5. Step 5: Solve for x
    x = 3,500,416.24/2,557.02
  6. Step 6: Final answer
    x = 1,368.94

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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.