Home / 1,535.64-2,303.46-1,172.49

Finding the Fourth Proportional to 1,535.64, 2,303.46 and 1,172.49

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Solution

The fourth proportional to 1,535.64, 2,303.46 and 1,172.49 is: 1,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.64 : 2,303.46 = 1,172.49 : x
  2. Step 2: Convert to fraction form
    1,535.64/2,303.46 = 1,172.49/x
  3. Step 3: Cross multiply
    1,535.64x = 2,303.46 × 1,172.49
  4. Step 4: Simplify right side
    1,535.64x = 2,700,783.82
  5. Step 5: Solve for x
    x = 2,700,783.82/1,535.64
  6. Step 6: Final answer
    x = 1,758.74

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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.