Home / 2,075.60-3,113.55-1,252.10

Finding the Fourth Proportional to 2,075.60, 3,113.55 and 1,252.10

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Solution

The fourth proportional to 2,075.60, 3,113.55 and 1,252.10 is: 1,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.60 : 3,113.55 = 1,252.10 : x
  2. Step 2: Convert to fraction form
    2,075.60/3,113.55 = 1,252.10/x
  3. Step 3: Cross multiply
    2,075.60x = 3,113.55 × 1,252.10
  4. Step 4: Simplify right side
    2,075.60x = 3,898,475.96
  5. Step 5: Solve for x
    x = 3,898,475.96/2,075.60
  6. Step 6: Final answer
    x = 1,878.24

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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.