Home / 3,075.17-4,612.95-1,126.71

Finding the Fourth Proportional to 3,075.17, 4,612.95 and 1,126.71

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Solution

The fourth proportional to 3,075.17, 4,612.95 and 1,126.71 is: 1,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.17 : 4,612.95 = 1,126.71 : x
  2. Step 2: Convert to fraction form
    3,075.17/4,612.95 = 1,126.71/x
  3. Step 3: Cross multiply
    3,075.17x = 4,612.95 × 1,126.71
  4. Step 4: Simplify right side
    3,075.17x = 5,197,456.89
  5. Step 5: Solve for x
    x = 5,197,456.89/3,075.17
  6. Step 6: Final answer
    x = 1,690.14

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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.