Home / 2,926.29-4,038.28-1,600.00

Finding the Fourth Proportional to 2,926.29, 4,038.28 and 1,600.00

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Solution

The fourth proportional to 2,926.29, 4,038.28 and 1,600.00 is: 2,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.29 : 4,038.28 = 1,600.00 : x
  2. Step 2: Convert to fraction form
    2,926.29/4,038.28 = 1,600.00/x
  3. Step 3: Cross multiply
    2,926.29x = 4,038.28 × 1,600.00
  4. Step 4: Simplify right side
    2,926.29x = 6,461,264.91
  5. Step 5: Solve for x
    x = 6,461,264.91/2,926.29
  6. Step 6: Final answer
    x = 2,208.01

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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.