Home / 1,860.02-2,566.45-1,113.74

Finding the Fourth Proportional to 1,860.02, 2,566.45 and 1,113.74

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Solution

The fourth proportional to 1,860.02, 2,566.45 and 1,113.74 is: 1,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.02 : 2,566.45 = 1,113.74 : x
  2. Step 2: Convert to fraction form
    1,860.02/2,566.45 = 1,113.74/x
  3. Step 3: Cross multiply
    1,860.02x = 2,566.45 × 1,113.74
  4. Step 4: Simplify right side
    1,860.02x = 2,858,358.02
  5. Step 5: Solve for x
    x = 2,858,358.02/1,860.02
  6. Step 6: Final answer
    x = 1,536.74

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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.