Home / 1,719.04-2,370.64-1,159.60

Finding the Fourth Proportional to 1,719.04, 2,370.64 and 1,159.60

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Solution

The fourth proportional to 1,719.04, 2,370.64 and 1,159.60 is: 1,599.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.04 : 2,370.64 = 1,159.60 : x
  2. Step 2: Convert to fraction form
    1,719.04/2,370.64 = 1,159.60/x
  3. Step 3: Cross multiply
    1,719.04x = 2,370.64 × 1,159.60
  4. Step 4: Simplify right side
    1,719.04x = 2,748,994.14
  5. Step 5: Solve for x
    x = 2,748,994.14/1,719.04
  6. Step 6: Final answer
    x = 1,599.14

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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.