Home / 2,558.34-3,534.28-1,718.78

Finding the Fourth Proportional to 2,558.34, 3,534.28 and 1,718.78

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Solution

The fourth proportional to 2,558.34, 3,534.28 and 1,718.78 is: 2,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.34 : 3,534.28 = 1,718.78 : x
  2. Step 2: Convert to fraction form
    2,558.34/3,534.28 = 1,718.78/x
  3. Step 3: Cross multiply
    2,558.34x = 3,534.28 × 1,718.78
  4. Step 4: Simplify right side
    2,558.34x = 6,074,649.78
  5. Step 5: Solve for x
    x = 6,074,649.78/2,558.34
  6. Step 6: Final answer
    x = 2,374.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.