Home / 1,525.32-2,106.66-1,180.20

Finding the Fourth Proportional to 1,525.32, 2,106.66 and 1,180.20

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Solution

The fourth proportional to 1,525.32, 2,106.66 and 1,180.20 is: 1,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.32 : 2,106.66 = 1,180.20 : x
  2. Step 2: Convert to fraction form
    1,525.32/2,106.66 = 1,180.20/x
  3. Step 3: Cross multiply
    1,525.32x = 2,106.66 × 1,180.20
  4. Step 4: Simplify right side
    1,525.32x = 2,486,280.13
  5. Step 5: Solve for x
    x = 2,486,280.13/1,525.32
  6. Step 6: Final answer
    x = 1,630.01

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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.