Home / 1,845.17-2,767.76-1,075.13

Finding the Fourth Proportional to 1,845.17, 2,767.76 and 1,075.13

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Solution

The fourth proportional to 1,845.17, 2,767.76 and 1,075.13 is: 1,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.17 : 2,767.76 = 1,075.13 : x
  2. Step 2: Convert to fraction form
    1,845.17/2,767.76 = 1,075.13/x
  3. Step 3: Cross multiply
    1,845.17x = 2,767.76 × 1,075.13
  4. Step 4: Simplify right side
    1,845.17x = 2,975,682.59
  5. Step 5: Solve for x
    x = 2,975,682.59/1,845.17
  6. Step 6: Final answer
    x = 1,612.69

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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.