Home / 2,656.64-3,666.04-1,477.70

Finding the Fourth Proportional to 2,656.64, 3,666.04 and 1,477.70

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Solution

The fourth proportional to 2,656.64, 3,666.04 and 1,477.70 is: 2,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.64 : 3,666.04 = 1,477.70 : x
  2. Step 2: Convert to fraction form
    2,656.64/3,666.04 = 1,477.70/x
  3. Step 3: Cross multiply
    2,656.64x = 3,666.04 × 1,477.70
  4. Step 4: Simplify right side
    2,656.64x = 5,417,307.31
  5. Step 5: Solve for x
    x = 5,417,307.31/2,656.64
  6. Step 6: Final answer
    x = 2,039.16

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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.