Home / 2,075.09-2,863.58-1,130.91

Finding the Fourth Proportional to 2,075.09, 2,863.58 and 1,130.91

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Solution

The fourth proportional to 2,075.09, 2,863.58 and 1,130.91 is: 1,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.09 : 2,863.58 = 1,130.91 : x
  2. Step 2: Convert to fraction form
    2,075.09/2,863.58 = 1,130.91/x
  3. Step 3: Cross multiply
    2,075.09x = 2,863.58 × 1,130.91
  4. Step 4: Simplify right side
    2,075.09x = 3,238,445.60
  5. Step 5: Solve for x
    x = 3,238,445.60/2,075.09
  6. Step 6: Final answer
    x = 1,560.63

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1.5x scale

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.