Home / 1,807.20-2,494.17-1,364.40

Finding the Fourth Proportional to 1,807.20, 2,494.17 and 1,364.40

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Solution

The fourth proportional to 1,807.20, 2,494.17 and 1,364.40 is: 1,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.20 : 2,494.17 = 1,364.40 : x
  2. Step 2: Convert to fraction form
    1,807.20/2,494.17 = 1,364.40/x
  3. Step 3: Cross multiply
    1,807.20x = 2,494.17 × 1,364.40
  4. Step 4: Simplify right side
    1,807.20x = 3,403,045.55
  5. Step 5: Solve for x
    x = 3,403,045.55/1,807.20
  6. Step 6: Final answer
    x = 1,883.05

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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.