Home / 1,675.83-2,312.77-929.93

Finding the Fourth Proportional to 1,675.83, 2,312.77 and 929.93

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Solution

The fourth proportional to 1,675.83, 2,312.77 and 929.93 is: 1,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.83 : 2,312.77 = 929.93 : x
  2. Step 2: Convert to fraction form
    1,675.83/2,312.77 = 929.93/x
  3. Step 3: Cross multiply
    1,675.83x = 2,312.77 × 929.93
  4. Step 4: Simplify right side
    1,675.83x = 2,150,715.07
  5. Step 5: Solve for x
    x = 2,150,715.07/1,675.83
  6. Step 6: Final answer
    x = 1,283.37

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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.