Home / 1,594.02-2,390.52-716.40

Finding the Fourth Proportional to 1,594.02, 2,390.52 and 716.40

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Solution

The fourth proportional to 1,594.02, 2,390.52 and 716.40 is: 1,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.02 : 2,390.52 = 716.40 : x
  2. Step 2: Convert to fraction form
    1,594.02/2,390.52 = 716.40/x
  3. Step 3: Cross multiply
    1,594.02x = 2,390.52 × 716.40
  4. Step 4: Simplify right side
    1,594.02x = 1,712,568.53
  5. Step 5: Solve for x
    x = 1,712,568.53/1,594.02
  6. Step 6: Final answer
    x = 1,074.37

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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.