Home / 1,715.86-2,575.02-1,284.16

Finding the Fourth Proportional to 1,715.86, 2,575.02 and 1,284.16

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Solution

The fourth proportional to 1,715.86, 2,575.02 and 1,284.16 is: 1,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.86 : 2,575.02 = 1,284.16 : x
  2. Step 2: Convert to fraction form
    1,715.86/2,575.02 = 1,284.16/x
  3. Step 3: Cross multiply
    1,715.86x = 2,575.02 × 1,284.16
  4. Step 4: Simplify right side
    1,715.86x = 3,306,737.68
  5. Step 5: Solve for x
    x = 3,306,737.68/1,715.86
  6. Step 6: Final answer
    x = 1,927.16

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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.