Home / 1,384.50-2,075.48-1,264.26

Finding the Fourth Proportional to 1,384.50, 2,075.48 and 1,264.26

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Solution

The fourth proportional to 1,384.50, 2,075.48 and 1,264.26 is: 1,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.50 : 2,075.48 = 1,264.26 : x
  2. Step 2: Convert to fraction form
    1,384.50/2,075.48 = 1,264.26/x
  3. Step 3: Cross multiply
    1,384.50x = 2,075.48 × 1,264.26
  4. Step 4: Simplify right side
    1,384.50x = 2,623,946.34
  5. Step 5: Solve for x
    x = 2,623,946.34/1,384.50
  6. Step 6: Final answer
    x = 1,895.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.