Home / 1,841.79-2,539.02-1,316.91

Finding the Fourth Proportional to 1,841.79, 2,539.02 and 1,316.91

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Solution

The fourth proportional to 1,841.79, 2,539.02 and 1,316.91 is: 1,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.79 : 2,539.02 = 1,316.91 : x
  2. Step 2: Convert to fraction form
    1,841.79/2,539.02 = 1,316.91/x
  3. Step 3: Cross multiply
    1,841.79x = 2,539.02 × 1,316.91
  4. Step 4: Simplify right side
    1,841.79x = 3,343,660.83
  5. Step 5: Solve for x
    x = 3,343,660.83/1,841.79
  6. Step 6: Final answer
    x = 1,815.44

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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.