Home / 1,970.08-2,718.24-1,184.32

Finding the Fourth Proportional to 1,970.08, 2,718.24 and 1,184.32

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Solution

The fourth proportional to 1,970.08, 2,718.24 and 1,184.32 is: 1,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970.08 : 2,718.24 = 1,184.32 : x
  2. Step 2: Convert to fraction form
    1,970.08/2,718.24 = 1,184.32/x
  3. Step 3: Cross multiply
    1,970.08x = 2,718.24 × 1,184.32
  4. Step 4: Simplify right side
    1,970.08x = 3,219,266.00
  5. Step 5: Solve for x
    x = 3,219,266.00/1,970.08
  6. Step 6: Final answer
    x = 1,634.08

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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.