Home / 1,567.63-2,165.64-1,214.47

Finding the Fourth Proportional to 1,567.63, 2,165.64 and 1,214.47

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Solution

The fourth proportional to 1,567.63, 2,165.64 and 1,214.47 is: 1,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.63 : 2,165.64 = 1,214.47 : x
  2. Step 2: Convert to fraction form
    1,567.63/2,165.64 = 1,214.47/x
  3. Step 3: Cross multiply
    1,567.63x = 2,165.64 × 1,214.47
  4. Step 4: Simplify right side
    1,567.63x = 2,630,104.81
  5. Step 5: Solve for x
    x = 2,630,104.81/1,567.63
  6. Step 6: Final answer
    x = 1,677.76

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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.