Home / 1,477.86-2,214.18-1,316.97

Finding the Fourth Proportional to 1,477.86, 2,214.18 and 1,316.97

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Solution

The fourth proportional to 1,477.86, 2,214.18 and 1,316.97 is: 1,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.86 : 2,214.18 = 1,316.97 : x
  2. Step 2: Convert to fraction form
    1,477.86/2,214.18 = 1,316.97/x
  3. Step 3: Cross multiply
    1,477.86x = 2,214.18 × 1,316.97
  4. Step 4: Simplify right side
    1,477.86x = 2,916,008.63
  5. Step 5: Solve for x
    x = 2,916,008.63/1,477.86
  6. Step 6: Final answer
    x = 1,973.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.