Home / 2,075.20-2,863.02-1,577.32

Finding the Fourth Proportional to 2,075.20, 2,863.02 and 1,577.32

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Solution

The fourth proportional to 2,075.20, 2,863.02 and 1,577.32 is: 2,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.20 : 2,863.02 = 1,577.32 : x
  2. Step 2: Convert to fraction form
    2,075.20/2,863.02 = 1,577.32/x
  3. Step 3: Cross multiply
    2,075.20x = 2,863.02 × 1,577.32
  4. Step 4: Simplify right side
    2,075.20x = 4,515,898.71
  5. Step 5: Solve for x
    x = 4,515,898.71/2,075.20
  6. Step 6: Final answer
    x = 2,176.13

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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.