Home / 2,064.64-2,848.08-1,277.32

Finding the Fourth Proportional to 2,064.64, 2,848.08 and 1,277.32

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Solution

The fourth proportional to 2,064.64, 2,848.08 and 1,277.32 is: 1,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.64 : 2,848.08 = 1,277.32 : x
  2. Step 2: Convert to fraction form
    2,064.64/2,848.08 = 1,277.32/x
  3. Step 3: Cross multiply
    2,064.64x = 2,848.08 × 1,277.32
  4. Step 4: Simplify right side
    2,064.64x = 3,637,909.55
  5. Step 5: Solve for x
    x = 3,637,909.55/2,064.64
  6. Step 6: Final answer
    x = 1,762.01

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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.