Home / 1,552.70-2,130.83-1,541.76

Finding the Fourth Proportional to 1,552.70, 2,130.83 and 1,541.76

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Solution

The fourth proportional to 1,552.70, 2,130.83 and 1,541.76 is: 2,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.70 : 2,130.83 = 1,541.76 : x
  2. Step 2: Convert to fraction form
    1,552.70/2,130.83 = 1,541.76/x
  3. Step 3: Cross multiply
    1,552.70x = 2,130.83 × 1,541.76
  4. Step 4: Simplify right side
    1,552.70x = 3,285,228.46
  5. Step 5: Solve for x
    x = 3,285,228.46/1,552.70
  6. Step 6: Final answer
    x = 2,115.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.