Home / 3,156.16-4,732.02-1,075.18

Finding the Fourth Proportional to 3,156.16, 4,732.02 and 1,075.18

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Solution

The fourth proportional to 3,156.16, 4,732.02 and 1,075.18 is: 1,612.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.16 : 4,732.02 = 1,075.18 : x
  2. Step 2: Convert to fraction form
    3,156.16/4,732.02 = 1,075.18/x
  3. Step 3: Cross multiply
    3,156.16x = 4,732.02 × 1,075.18
  4. Step 4: Simplify right side
    3,156.16x = 5,087,773.26
  5. Step 5: Solve for x
    x = 5,087,773.26/3,156.16
  6. Step 6: Final answer
    x = 1,612.01

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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.