Home / 1,719.34-2,579.15-549.51

Finding the Fourth Proportional to 1,719.34, 2,579.15 and 549.51

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Solution

The fourth proportional to 1,719.34, 2,579.15 and 549.51 is: 824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.34 : 2,579.15 = 549.51 : x
  2. Step 2: Convert to fraction form
    1,719.34/2,579.15 = 549.51/x
  3. Step 3: Cross multiply
    1,719.34x = 2,579.15 × 549.51
  4. Step 4: Simplify right side
    1,719.34x = 1,417,268.72
  5. Step 5: Solve for x
    x = 1,417,268.72/1,719.34
  6. Step 6: Final answer
    x = 824.31

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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.