Home / 1,868.95-2,579.02-1,029.59

Finding the Fourth Proportional to 1,868.95, 2,579.02 and 1,029.59

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Solution

The fourth proportional to 1,868.95, 2,579.02 and 1,029.59 is: 1,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.95 : 2,579.02 = 1,029.59 : x
  2. Step 2: Convert to fraction form
    1,868.95/2,579.02 = 1,029.59/x
  3. Step 3: Cross multiply
    1,868.95x = 2,579.02 × 1,029.59
  4. Step 4: Simplify right side
    1,868.95x = 2,655,333.20
  5. Step 5: Solve for x
    x = 2,655,333.20/1,868.95
  6. Step 6: Final answer
    x = 1,420.76

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