Home / 1,715.52-2,555.79-1,632.90

Finding the Fourth Proportional to 1,715.52, 2,555.79 and 1,632.90

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Solution

The fourth proportional to 1,715.52, 2,555.79 and 1,632.90 is: 2,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.52 : 2,555.79 = 1,632.90 : x
  2. Step 2: Convert to fraction form
    1,715.52/2,555.79 = 1,632.90/x
  3. Step 3: Cross multiply
    1,715.52x = 2,555.79 × 1,632.90
  4. Step 4: Simplify right side
    1,715.52x = 4,173,349.49
  5. Step 5: Solve for x
    x = 4,173,349.49/1,715.52
  6. Step 6: Final answer
    x = 2,432.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.