Home / 1,535.76-2,130.18-1,483.32

Finding the Fourth Proportional to 1,535.76, 2,130.18 and 1,483.32

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Solution

The fourth proportional to 1,535.76, 2,130.18 and 1,483.32 is: 2,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.76 : 2,130.18 = 1,483.32 : x
  2. Step 2: Convert to fraction form
    1,535.76/2,130.18 = 1,483.32/x
  3. Step 3: Cross multiply
    1,535.76x = 2,130.18 × 1,483.32
  4. Step 4: Simplify right side
    1,535.76x = 3,159,738.60
  5. Step 5: Solve for x
    x = 3,159,738.60/1,535.76
  6. Step 6: Final answer
    x = 2,057.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.